1. Math

    Just need some help... Directions: Multiply or raise to the power as indicated... Then simplify the result. Assume all variables represent positive numbers. 1. 5(square root of 6) times two-thirds(square root of 15)= 3 one-third (square root of 90)= (This is where i am stuck...
  2. College Algebra

    I need some help with a handful of questions. I need to see the steps on how to get to the final answers. I would also appreciate if you can explain how you got to those steps. Rationalize each expression by building perfect nth root factors for each denominator. Assume all ...
  3. College Algebra help please

    I need some help with a handful of questions. I need to see the steps on how to get to the final answers. I would also appreciate if you can explain how you got to those steps. Rationalize each expression by building perfect nth root factors for each denominator. Assume all ...
  4. College Algebra

    I need some help with a handful of questions. I need to see the steps on how to get to the final answers. I would also appreciate if you can explain how you got to those steps. Rationalize each expression by building perfect nth root factors for each denominator. Assume all ...
  5. Algebra

    Rationalize each expression by building perfect nth root factors for each denominator. Assume all variables represent positive quantities. I don’t understand how to compute these. Also I don’t have the square root sign so I typed it out where it would be and the number ...
  6. Math

    What are the solution sets of the following 3 problems,the square root of x squared + 3x = x-3, the square root of 3x + 10 = x + 4 and finally the square root of 8x - 2 = the square root of 2x? Help much appriciated. I will one as an example. sqrt(3x + 10) =x+4 I hope that is ...
  7. Math simplifying mixed radicals

    Please help me simplify these following mixed radicals:: and show me how you did it cause I need to learn : I don't know how to type a square root sign so I just wrote square root and the numbers infront of the square root are supposed to be multiplied. 2 square root 48 3 ...
  8. Math Help!

    Four students worked to find an estimate for square root 22. Who is closest to finding the true estimate? A. Tiffany: "Use square root 16 and square root 25 to estimate." B. Todd: "I use square root 9 and square root 16." C. Trenton: "It should be square root 21 and square ...
  9. Math ~CHECK MY ANSWER~

    1) Which of these is a rational number? a. Pi b. Square root 3 ****** c. Square root 2 d. 1.3 (the # 3 has a line at the top) 2) Which of the following sets contains 3 irrational numbers? a. Square root 120 , n , Square root 3 ****** b. - Square root 256 , 1/9 , 1/12 c. 3.14...
  10. math

    Four students work to find an estimate for square root 37. Who is closest to finding the true estimate? (1 point) Rhonda: "Use square root 16 and square root 25 to estimate." Ricardo: it should be between square root 25 and square root 36." Riley: "i use square root 36 and ...
  11. math

    1) Which of these is a rational number? a. Pi b. Square root 3 ****** c. Square root 2 d. 1.3 (the # 3 has a line at the top) 2) Which of the following sets contains 3 irrational numbers? a. Square root 120 , n , Square root 3 ****** b. - Square root 256 , 1/9 , 1/12 c. 3.14...
  12. math

    Four students work to find an estimate for square root 54. Who is closest to finding the true estimate? (1 point) Rhonda: "Use square root 16 and square root 25 to estimate." Ricardo: "I use square root 25 and square root 36." Riley: "It should be between square root 36 and ...
  13. Math

    Four students work to find an estimate for square root 27. Who is closest to finding the true estimate? (1 point) Chelsey: "Use square root 16 and square root 25 to estimate." Carley: "I use square root 25 and square root 36." Jamie: "It should be between square root 36 and ...
  14. Calculus

    A rectangle is bounded by the x axis and the semicircle = square root 25-x^2. What length and width should the rectangle have so that its area is a maximum? When I worked the problem out(which is a bit detailed). I started with y = square root 25-x^2 then A = 2x square root 25...
  15. Algebra 2

    could you walk me thorugh these problems simplfy square root 18 - 3 times sqaure root of 50 plus 5 times the square root of 80 - 2 times the square root of 125 I'm having troubles with the square root of 80 all of the other radicals can be simplfified with a 2 in the radical ...
  16. Math ~CHECK MY ANSWERS~

    1) Which of these is a rational number? a. Pi b. square root 3 ****** c. square root 2 d. 1.3 (the # 3 has a line at the top) 2) Which of the following sets contains 3 irrational numbers? A. square root 120, n, square root 3 ****** b. - square root 256, 1/9, 1/12 c. 3.14, -47...
  17. algebra

    1.)correct 2.)wrong---> the first term is wrong 4(3a^2)^2 = 36a^4 3.) not sure on this one 4.) wrong---> - square root of six is not a solution Hope this Helps! 1)find p(-3)if p(x)=4x^3-5x^2+7x-10 =-184 2)If r(x)=4x^2-3x+7,find r(3a^2) =12a^4-9a^2+7 3)Write the ...
  18. Math

    What is the square root of 12? 3.464 Well, that's true, but you could simplify it in radicals. The square root of 12 is the same as saying the square root of 3 times the square root of 4. The square root of 4 is plus or minus 2, so you could say (I wish I had a square root ...
  19. Algebra

    Use the quadratic formula to solve the equation. Give exact answers: 2x^2 -1 = 6x. The choices are: a) -3 + square root(7)/2, -3 - square root(7)/2 b) 3 + square root(11)/2, 3 - square root(11)/2 c) 3 + square root(7)/2, 3 - square root(7)/2 d) -3 + square root(11)/2, -3 - ...
  20. Math simplifying mixed radicals

    Please help me simplify these following mixed radicals:: and show me how you did it cause I need to learn : I don't know how to type a square root sign so I just wrote square root: 2 square root 48 3 square root 81 6 square root 12 3 square root 32 2 square root 18 5 square ...
  21. algebra

    Which shows the expressions in the order they would appear on a number line from least to greatest? 17 over 9, square root of 6, square root of 15, square root of 30, 3 to the power of 3 3 to the power of 3, square root of 30, square root of 15, square root of 6, 17 over 9 3 ...
  22. college pre-calculus

    simplify: square root (4/3)-square root (3/4) A. 2-sqaure root(3)/2 square root (3) B. square root (7/12) C. square root (3)/6 D. 2/square root (3) which answer? this is what i got square root (16/12)- square root (9/12)= square root (7/12)
  23. Algebra

    When you're breaking down the square root in the quadratic formula into several parts- say it was the originally the square root of 80 so you break it down to square root of 4 and square root of 20-would the results be added or multiplyed? Because I know when you further break...
  24. 7th grade math Ms. Sue please

    2. Shelly sews a blanket that has an area of 170 square feet. It has 30 square blocks, each the same size. What is the approximate length of each side of a block? (1 point) 1 foot 2 feet 3 feet 4 feet 3. Which of these numbers can be classified as irrational? (1 point) 1 over ...
  25. Math

    Rationalize the denominator. Assume that all expressions under radicals represent positive numbers. The square root of 3y^4 to the third root divided by the square root of 15x^4 to the third root. Here is what I have so far: I multiplied. The square root of 100x^2 to the third...
  26. Math PLEASE HELP ASAP

    -PLEASE INCLUDE SOLUTIONS AND EXPLAIN HOW YOU DID IT PLEASE. *CHALLENGE. 1.SIMPLIFY : SQUARE ROOT OF 16^8+8^4/16^2+16^7 2.EXPRESS 1 + 1/1+SQUARE ROOT OF 2 - 1/1-SQUARE ROOT OF 2 IN THE FORM A+B SQUARE ROOT OF 2, WHERE A AND BARE RATIONAL NUMBERS. FIND A + B. 3. ARRANGE THE ...
  27. Algebra

    I am supposed to "write each expression with a rational denominator" 1/thesqrootof 3. I follow the book's explanation, until it suggests dividing the sq. root of 3 by the square root of 3 times the square root of three. I do not understand how that reduces to the square root ...
  28. math

    What does it mean to have the sqaure root of 5 with a 2 in front of it? How do you figure it out? 2 sqrt 5 is two times the square root of 5. It depends where the 2 is placed wrt the square root symbol. If it is on the same line as the square root symbol, then this means 2 ...
  29. math

    Please help I'm so confused!!!! 1. Which two square roots are used to estimate the square root of 5? a. square root of 1 and 2 b. square root of 2 and 4 c. square root 4 and 9 d. square root of 9 and 16 2.Which two square roots are used to estimate square root of 43? a. square...
  30. Algebra

    Put in order from smallest to largest 12 6 square root 5 20 9 square root 6 16 square root 7 5 -48 11 8 - square root 3 -60 5/6 2 square root 5/5 - square root 3 +2/5 The square root us confusing my son. Thanks so much
  31. Algebra

    69: 16x^2+8x-3. I inserted this into the quadratic formula and got -8+/- the square root of (8^2-4(16)(-3)/(2 times 16). This reduced to -8+/- the square root of (64+120)/32, which further reduced to -8+/-the square root of 184/32. I reduced the top part to -8 +/- the square ...
  32. Tirginometry

    the expression 4ab(square root of)2b-3a(square root of)18b^3+7ab(square root of)6b is equivalent to... (a)2ab(square root of)6b (b)16ab(square root of)2b (c)-5ab+7ab(square root of)6b (d)-5ab(square root of)2b+7ab(square root of)6b Please help its due monday!
  33. Math radical equations

    Please show me how to do these step by step because I have a test tomorow and I need to understand how to do these questions : 1. M-1 under the square root sign +5= m-2 2. 3n+10 under the square root = n+4 3. K-9 under the square root - (k under square root )=-1 4. 2h-5 under ...
  34. Math Help!

    Which two square roots are used to estimate square root 67? A. Square root 36 and Square root 49. B. Square root 49 and Square root 64. C. Square root 64 and Square root 81. D. Square root 81 and Square root 100. Is the answer C? Thanks
  35. MATH

    Which expression is a polynomial???? A: 11 0ver the square root of x B: square root of 11 times x C: x - square root 11 D: 11 over the square root of x to the 2nd power (sorry I am not sure how to insert square root symbols or fractions, so u have to imaging its there) thank ...
  36. Calculus

    square root of (12), square root of (12 + square root of (12)), square root of (12+ square root of (12+ square root of (12))) Write a recursion formaula for an(subcription), n greater than or equal to 2.
  37. Calculus

    Find the first 4 terms and the 8th term of the recursively-defined sequence. 4. v1 = 0.75 and vn = (-2)vk-1 for n>1 A. 0.75, 1.5, -3, 6; -192 B. -1.5, -3, -6, -12; 192 C. -1.5, -3, -6, -12; -192 D. 0.75, 1.5, 3, 6; -192 E. 1.5, 3, 6, 12; 192 F 0.75, -1.5, 3, -6; 192 Can you...
  38. math

    Say if these numbers make a right triangle and a Pythagorean triple: 2, 2 square root 2, and 2 square root 3. I am confident that the answer for both parts of the question is no, because when 2 is squared and when 2 square root 2 is squared it is larger than 2 root 3 squared. ...
  39. Algebra check?

    Sorry the first post formatted weirdly. 1. 3i - 10 --------- 8i - 5 Answer 74 65i ---- + ----- 89 89 2. 11i^2 + 1 ------------ -12i - 8 Answer: 5 (2 - 3 i) ------------- 26 3. square root -25 * 8 square root -49 Answer: -280 4. square root -64 + 12 square root -36 Answer: 80 i...
  40. Pre- Algebra

    State if each number is Rational,Irrational,or not a real number? 1.)square root of 9/16 2.) square root of -9 3.)square root of -16 divided by -4 4.)square root of -8(-2) 5.)square root of 25 divided by 8 6.)square root of -1/4 Please Help! I have been sick for 4 weeks and I ...
  41. algebra

    1)Write the expression 9n^6+7n^3-6 in quadratic form,if possible A.9(n^3)^3+7n^3-6 B.9(n^2)^3+7(n^2)-6 C.9(n^3)^2+7(n^3)-6 D.not possible I'm thinking C on this one but im not sure 2)solve b^4+2b^2-24=0 A.-2,-square root of 6,square root of 6,2 B.-square root of 6,2,2i,i ...
  42. Advanced Algebra

    Can you please explain to me how I can solve these problems? (3^ square root of3) ^square root of 3 (x^ square root of 2) ^square root of 7 5^(2)(square root of 3) • 5^(4)(square root of 3) x^(3)(pi) / x^(pi)
  43. algebra 2

    Not sure if either one of these answer are correct to simplify the sqrt for 24 1) 24 = 6 x 4 square root of 24 = square root of 6 x 4 2 root 6 2) sq root 24 = sq root (4x6)= sqrt 4 x sqrt 6= 2sq root 6=4.89898 3) Square root of 24 =sqrt (24) =sqrt(4*6) =2sqrt(6) = 2*square ...
  44. Pre Calc!!!!!!!!!! test tom!!

    Square root of x is the equation. Translate: down seven reflected over y axis left five ANSWERS: square root of negitive x+5)-7 negitive square root of x+5)-7 square root of x-5)-7 square root of x+5)+7 IM not getting any of these HELP!!!
  45. Algebra

    Can you tell me if my answers are correct for these problems? 1. 3i - 10 --------- 8i - 5 Answer 74 65i ---- + ----- 89 89 2. 11i^2 + 1 ----------- -12i - 8 Answer: 5 (2 - 3 i) ------------- 26 3. square root -25 * 8 square root -49 Answer: -280 4. square root -64 + 12 square ...
  46. Math: Please check

    Which radical expression is in simplified form? A.) 11y/3 square root *B.) square root of 6/5y C.) square root of 17/square root of 4 D.) square root of 25/81 Thank You
  47. Intermediate Algebra

    simplify the the lowest term 1. square root of 40x^3 2. square root of 3/4 times square root of 4/7 3. square root of 6 + square root of 20
  48. math

    simplify: square root (4/3)-square root (3/4) A. 2-sqaure root(3)/2 square root (3) B. square root (7/12) C. square root (3)/6 D. 2/square root (3) which answer? this is what i got square root (16/12)- square root (9/12)= square root (7/12)
  49. math

    simplify: square root (4/3)-square root (3/4) A. 2-sqaure root(3)/2 square root (3) B. square root (7/12) C. square root (3)/6 D. 2/square root (3) which answer? this is what i got square root (16/12)- square root (9/12)= square root (7/12)
  50. ALGEBRA

    1, Factor each expression x^2 - 10x - 24 A. (x + 4)(x - 6) B. (x + 6)(x - 4) C. (x + 2)(x - 12) D. (x + 12)(x - 2) 2, x^2 - 36 = 0 A. (1 + square root of 3, 1 - square root of 3) B. (-6,6) C. No solution D. None of these 3, Factor each expression 49 x^9 - 25 y^2 A. (7x^2 - 5y...
  51. 9th grade

    WHAT IS THE SQUARE ROOT OF 192?
  52. Math HELP!

    Which two square roots are used to estimate square root 5? A. Square root 1 and square root 2. B. Square root 2 and square root 4. C. Square root 4 and square root 9. D. Square root 9 and square root 16. Is the answer B? Thanks
  53. Math

    1. Which of the following numbers is a rational? A. 4/5 B. square root of 27 C. 4.02002000200002... **** D. Square root of 31 2. Which type of number is shown below? 0.313311333111... A. repeating decimal B. rational C. irrational **** D. terminating decimal 3. Select all the ...
  54. math Please help!!

    1. Which of the following numbers is a rational? A. 4/5 *** B. square root of 27 C. 4.02002000200002... D. Square root of 31 2. Which type of number is shown below? 0.313311333111... A. repeating decimal B. rational *** C. irrational D. terminating decimal 3. Select all the ...
  55. math

    1. Which of the following numbers is a rational? A. 4/5 B. square root of 27 C. 4.02002000200002... D. Square root of 31 2. Which type of number is shown below? 0.313311333111... A. repeating decimal B. rational C. irrational D. terminating decimal 3. Select all the rational ...
  56. math

    1. Which of the following numbers is a rational? A. 4/5 **** B. square root of 27 C. 4.02002000200002... D. Square root of 31 2. Which type of number is shown below? 0.313311333111... A. repeating decimal B. rational C. irrational*** D. terminating decimal 3. Select all the ...
  57. Math

    1. Which of the following numbers is a rational? A. 4/5 B. square root of 27 C. 4.02002000200002... **** D. Square root of 31 2. Which type of number is shown below? 0.313311333111... A. repeating decimal B. rational C. irrational **** D. terminating decimal 3. Select all the ...
  58. math

    Which of the following sets contains 3 irrational numbers ? a. { square root of 120 , pie , square root of 3 } b. {neg. square root of 256 , 1/9 , 1/12} c. {3.14 , -47 , 100} d. {pie , square root of 0.36 , square root of 121}*
  59. math

    Which of the following sets contains 3 irrational numbers ? a. { square root of 120 , pie , square root of 3 } b. {neg. square root of 256 , 1/9 , 1/12} c. {3.14 , -47 , 100} d. {pie , square root of 0.36 , square root of 121
  60. Math

    Could someone please help me with this math problem? This is what I have so far but now I am stumped as to what to do next. Multiply and simplify by factoring. The square root of 18 * square root of 40. The square root of 18= the square root of 9*2. The square root of 9 * ...
  61. Pre-Calculus

    Solve 0 = 3x^2 + 5x -1 by completing the square. Express your answer as exact roots. 3(x^2 + 5/3 + 25/36) = -1 (x+ 5/6)^2 = 37/36 sq root( x + 5/6)^2 = sq root (37/36) x + 5/6 = +- sq root 37/6 x = -5/6 +- square root 37 /6 <--- (Sorry for the work being so messy! It'd be ...
  62. MATH

    how do you simplify square root of 27 minus square root of 49 all divided by square root of 3. I have gotten two different answers when I tried to check it. It kind of looks like (27-49) (3) except all the numbers have their own square root symbol. I don't know if it will be ...
  63. Algebra

    how do you simplify square root of 27 minus square root of 49 all divided by square root of 3. I have gotten two different answers when I tried to check it. It kind of looks like (27-49) (3) except all the numbers have their own square root symbol. I don't know if it will be ...
  64. Math

    simplify the expression (4 square root of x)/(6-square root of x) I need help with this. I've worked it out to the point where i got (2 square root of x)/(3-square root of x), but I'm pretty sure that it can be simplified further. If what I'm thinking is right you have to ...
  65. Math

    simplify the expression (4 square root of x)/(6-square root of x) I need help with this. I've worked it out to the point where i got (2 square root of x)/(3-square root of x), but I'm pretty sure that it can be simplified further. If what I'm thinking is right you have to ...
  66. Algebra

    Hello Reiny, please check these problems for me and if they are not right WOULD YOU PLEASE HELP ME WITH THE CORRECT ONES THANKS!!! 1. Slove for X, wher X is the real number, square root 5x + 9= square root 9x + 13= 27 2. Find the value: ^3 square root -27= 9 3. Write the ...
  67. algebra

    could someone please check these roblems for me and if they are not rightWOULD YOU PLEASE HELP E WITH THE CORRECT ONES THANKS!!! 1. Slove for X, wher X is the real number, square root 5x + 9= square root 9x + 13= 27 2. Find the value: ^3 square root -27= 9 3. Write the ...
  68. algebra

    Simplify the expression (square root 100 over 49) a. 10 over 7 ** b. 17 c. 5 over 7*** d. 20 over 7 which sum will be irrational? a. 3+2 b. square root 19 + 7 over 2 *** c. 18 over 3 + 11 over 10,000 d. -6 + (-3.251) which product will be rational _ a. 17.12 * 33 ** b. square ...
  69. algebra

    Simplify the expression (square root 100 over 49) a. 10 over 7 ** b. 17 c. 5 over 7*** d. 20 over 7 which sum will be irrational? a. 3+2 b. square root 19 + 7 over 2 *** c. 18 over 3 + 11 over 10,000 d. -6 + (-3.251) which product will be rational _ a. 17.12 * 33 ** b. square ...
  70. algbra

    Simplify the expression (square root 100 over 49) a. 10 over 7 b. 17 c. 5 over 7*** d. 20 over 7 which sum will be irrational? a. 3+2 b. square root 19 + 7 over 2 c. 18 over 3 + 11 over 10,000** d. -6 + (-3.251) which product will be rational _ a. 17.12 * 33 b. square root 3...
  71. Math

    Simplify by taking roots of the numerator and the demoninator. Assume that all expressions under radicals represent positive numbers. The square root of 243x^6/y^20 to the fifth root. Here is what I have so far: the square root of 243x^6 to the fifth root divided by the square...
  72. Some Please Help me - PreCalc

    Verify that the point ( square root(31)/7, -3square root(2)/7 ) lies on the graph of the unit circle. If it does, use symmetry to find three other points that also lie on the graph of the unit circle. (direction - Type ordered pairs). PS: The -3 is outside the square root ( ...
  73. Year 11 maths

    My teacher said If x-2(square root xy)=9-4(square root 2) so since there are two square roots -2(square root xy) equals -4(square root 2) How is this possible, could the values be different and they are not equal.
  74. Math

    1. Rosa, Roberto, Andrea, and Inno find an estimate for square root 10. Who has proposed the best solution? (1 point) Rosa: "Use square root 9 and square root 25 to estimate." Roberto: "I will use square root 4 and square root 9." Andrea: "It should be square root 11 and ...
  75. Math Help

    the square root of 3 times the square root of 15 also the square root of 18 times the square root of 3 To multiply square roots: sq rt of z times the sq rt of y It would be the square root of zy The first one is 3x15 = 45 So it's the square root of 45. Think you can figure out...
  76. math

    Square root of x is the equation. Translate: down seven reflected over y axis left five ANSWERS: square root of negitive x+5)-7 negitive square root of x+5)-7 square root of x-5)-7 square root of x+5)+7 IM not getting any of these HELP!!!
  77. math

    what is the perimeter of a computer graphic with sides measuring 5 square root , 6 square root 108 , 2 square root 147 and 5 square root 8.
  78. math

    Nakim simplified 3 times the square root of 2x plus x times the square root of 8x minus 5 times the square root of 18x and got -10x times the square root of 2x for an answer. Part 1: Using complete sentences, explain what Nakim did wrong. Part 2: Show all your work to simplify...
  79. Math: Please help

    1. What is the simplified form of squared root 140? A.) 4 to the square root of 35 B.) 10 to the square root of 14 C.) 2 to the square root of 70 D.) 2 to the square root of 35 Please show me how to do this Thank You
  80. Algebra

    Simplify ..... 1. the square root of the cube root of 49a^2z^4 2. the fourth root of (d-3e)^2 3. the square root of the the square root of 16b^12c^4
  81. math

    1.0 Four square root of seven open bracket two square root of three plus three square root of six minus square root of seven close bracket. 2.0 open bracket three square root of seven minus square root of two close bracket squared. 3.0 Seven divided by square root of twenty ...
  82. math

    is 8square root 2 + 2square root 2 equal to 10square root 2? Sorry, I don't know how to type that on my computer. So 8 next to the square root symbol with 2 underneath it + 2 next to the square root symbol with 2 underneath it. I'm thinking those are like terms so you can just...
  83. Algebra

    Express the following in simplest radical form. All variables represent positive real numbers. square root of 80a^2b divided by the square root of7a^3b^7 I got an answer of 4 square root of 5 divided by b^3 square root of 7a
  84. Math: Please check

    Simplify: -11 square root 112 *A.) -44 square root 7 B.) -176 square root 7 C.) -27 square root 7 D.) 4 square root 7 Thank You
  85. math

    determine the area of triangle abc when side ab= square root of x, side bc= square root of x, and side ca= the square root of the square root of x. So how do I solve it. How do I add the square root of x + the square root of x + the square root of the square root of x? what is...
  86. calculus

    Is this the correct answers for these questions Verify the means value theorem holds on the interval shown. Then, find the value c such that f'(c)=(f(b)-f(a))/(b-a) b.f(x)=x^3=x-4 on [-2,3] c= square root 7/3 c. f(x)= x^3 on [-1,2] c= square root 1 d. f(x)= Sqr. root of x on[0...
  87. math

    Simply: (a) Four multiply by square root of seven open bracket two multiply by the square root of three plus three multiply by the square root of six minus the square root of seven close bracket. (b) open bracket three multiply by the square root of seven minus the square root...
  88. Algebra I

    Son brought home a hand made worksheet that teacher did not go over and can't find examples anywhere. Multiply each expression by its conjugate. A. Square root of (13)-2 B. 2+3Square root (5) C. Square root(3) minus Square root(7) Thanks
  89. Algebra (urgent!)

    I am a bit confused about conjugates in algebra. I am supposed to multiply 8/(the square root of two + 4) by the square root of 2 -4. My math book then goes on to simplify this to (8 times the square root of two minus 32) divided by (2-4 times the square root of two plus 4 ...
  90. Algebra

    I am a bit confused about conjugates in algebra. I am supposed to multiply 8/(the square root of two + 4) by the square root of 2 -4. My math book then goes on to simplify this to (8 times the square root of two minus 32) divided by (2-4 times the square root of two plus 4 ...
  91. math

    Here's my question: Determine if each system has one, two, or no solutions. (Show your work - 3 marks each) a)y=2x^2-2x+1 and y=3x-5 b)y=x^2+3x-16 and y=-x^2-8x-18 Here's my work on the question: a) x=(-b plus/minus sign (square root b^2-4ac)/(2a) x=(--2 plus/minus sign (...
  92. Math

    Simplify 3 square root of 5 end root minus 2 square root of 7 end root plus square root of 45 end root minus square root of 28. A.2 square root of 12 B.2 square root of 2 C.6 square root of 5 - 4 square root of7 D.6 square root of 10 - 4 square root of 14
  93. algebra

    Help Fast PLEASE!! check for corrections on my problems 1.Rewrte the following in simplified radical form, Assume all variables represents positive real numbers: square root 48y^10= 4y^5 square root 3 2.Rationalize the denomintor and simplify: square root33/square root 21= ...
  94. algerbra

    could you please double check my work question:find the roots of the equation 2x^2+8x=12 by completing the square. leave answer in simplest radical form. work and answer: c=(b/2)^2 c(4/2)^2=4 2x^2 +8x=12 divide everything by 2 x^2 + 4x=6 x^2+4x+4=10 (x+2)(x+2) square root of (...
  95. Algebra

    Simplify: 3 squared divided by the square root of 80. Multiple choices: 1. square root of 80 divided by 3 to the negative 2nd power 2. 4 over 9 times the square root of 5 3. 5 over 4 times the square root of 5 4. 9 over 20 times the square root of 5 However, I got 9 times the ...
  96. 7th grade math Ms. Sue ASAP please

    Ms. Sue, sorry to keep bugging you with questions, but can you please check my answers? Sorry, I just want to get my answers correct when i turn it in thanks! 8. Four students work to find an estimate for square root 37. Who is closest to finding the true estimate? (1 point) ...
  97. robinswood

    between what two consecutive whole numbers does the squre root lie? 1) square root of 70 2) square root of 35 3) square root of 6 4) square root of 52
  98. algebra

    Multiply and simplify (9square root 6 - 4 square root 10) (square root 6 - 7 square root 10) I have been stumped and working on all day. Any suggestions?
  99. MATH

    1. Rosa, Roberto, Andrea, and Inno find an estimate for square root 10. Who has proposed the best solution? (1 point) Rosa: "Use square root 9 and square root 25 to estimate." Roberto: "I will use square root 4 and square root 9." Andrea: "It should be square root 11 and ...
  100. Math

    Which of these numbers is classified as a rational number? A. Square root 17 B. Square root 23 C. Square root 9 D. Square root 2 Is the answer C? Thanks
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