Solve each equation by completing the square. -36x=8x^2+28 -8x^2-3x=-5 5x^2-x-6=0 6x^2-24x-30=0 7x^2+8x-12=0 -10x^2 -9x+1=0 5x^2-x=4 -11x^2-8x=-7x-10 -3 1/3x^2+ 10x -27 1/2= -231/3

66,964 results
  1. Math check please

    1. Solve the system of equations y=2x^2-3 y=3x-1 a)no solution b)(-1/2,5),(2,-5/2) c)(-1/2,-5/2),(2,5)**** d)(1/2,5/2),(2,5) 2. How many real number solutions are there to the equation 0=-3x^2+x-4? a)0 ***** b)1 c)2 d)3 3.solve the equation by completing

  2. 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 -

  3. math

    solve the simultaneous equation, giving your answer in base 2 11x+11y=1001 10x -y =10

  4. Math

    Consider the general quadratic equation ax^2 + bx + c = 0, where a is not equal to 0. Solve for x by completing the square.

  5. Algebra

    Which of the following statements is true? A. Any quadratic equation can be solved by completing the square. B. Completing the square always gives two distinct solutions. C. You can’t complete the square if there is no constant in the equation. D. You

  6. math

    2x^2 + 5x - 8 = 0 Solve the quadratic equation by completing the square.

  7. Math

    1. Simplify. 3x^2+ 5x-5x^2-4x+5-2 A.-8x^2-9x+3 B.2x^2+x+3 C.-2x^2-9x+3*** D.-2x^2+x+3 2. Add or Subtract.(8x – 2y) + (3x – 4y) A.11x+8y B.4x-y C.11x-6y*** D.5x+2y 3.(5x^2-4x-1)-(-4x^2-4) A.-9x^2-8x-1 B.9x^2-4x+3*** C.x^2-4x-3 D.9x^2+4x-3 4.The distance

  8. Algebra

    I was given this answers to a problems I solved but I do not understand what she means hope you can help. Before attempting to solve this quadratic equation, determine how many solutions there will be for this quadratic equation. Explain your reasoning.

  9. math

    solve by completing square method 16x^2-24x-13=0

  10. Math

    1. Simplify. 3x^2+ 5x-5x^2-4x+5-2 A.-8x^2-9x+3 B.2x^2+x+3 C.-2x^2-9x+3*** D.-2x^2+x+3 2. Add or Subtract.(8x – 2y) + (3x – 4y) A.11x+8y B.4x-y C.11x-6y*** D.5x+2y 3.(5x^2-4x-1)-(-4x^2-4) A.-9x^2-8x-1 B.9x^2-4x+3*** C.x^2-4x-3 D.9x^2+4x-3 4.The distance

  11. maths

    Consider the equation x(square) + 4px + 2q = 0 where p and q are real constants. a) by completing square, show that (x+2p)square =4P(SQUARE)-2q b) Hence show that x= -2p +/- square root(4 p(square) -2p ) c) Use the above results to solve the equations 1)

  12. math

    solve the equation below algebraically and express the result in simplest radical form 13/x=10-x I did 13/x=10-x multiplied each side by x and then subtracted 13 to get 0=13-(10x-x^2) x^2-10x+13=0 x=(10+/- square root of 100-52)/2 x=(10=/- 4square root 3)

  13. MATH HELP PLEASE

    1.-3f^2+4f-3+8f^2+7f+1 a.5f^2-11f+2 b.11f^2+11f+2*** c.5f^2+11f-2 d.-5f+3f-2 2.3x^2+5X-5X^2-4X-2 a.-8x^2-9x+3 b.2x^2+x+3 c.-2x^2-9x+3 d.-2x^2+x+3*** 3.(8x-2y)+(3x-4y) a.11x+8y*** b.4x-y c.11x-6y d.5x+2y 4.(y+3d)-(-9y+7d) a.-10y+4d b.-8y+10d c.8y-6d***

  14. math

    Solve the quadratic equation by completing the square. Verify your answer graphically. (Enter your answers as a comma-separated list.) 16x2 − 24x − 23 = 0 I got this answer: 16(x−3/4)^2−32=0. Is the answer i got correct?

  15. Math

    Solve each of the following quadratic equations by completing the aquare. 1. x^2-6x-3=0 2. 2x^2+10x+11=0 Step 1. Move the constant to the other side. X^2 -6x + ?? = 3 + ?? To find ??, take 1/2 the x term and square it, then add it to both sides; therefore,

  16. Algebra

    I have a few questions that I need help with. Solve the radical equation, and check all proposed solutions. 5. x- square root 3x-2=4 I don't understand this problem. Solve and check the equation. 10. (x^2+14x+49)^3/4-20=7 would I have to multiply each

  17. algebra

    Solve the quadratic equation by completing the square. -3x^2+9x=1 Not sure how to do these, if someone could expplain.

  18. MATH

    Solve the equation using completing the square method x^2-6x+9 Please I need your solutions

  19. Algebra 1

    Solve the equation by completing the square. Round to the nearest hundredth if necessary. x2 + 3x – 5 = 0 A.1.19, –4.19 B.–8.75, 5.75 C.1.66, 2.69 D.1.05, –4.05

  20. math

    Solve the quadratic equation by completing the square. Verify your answer graphically. (Enter your answers as a comma-separated list.) 16x^2 − 24x − 23 = 0

  21. Algebra

    I was given this answers to a problems I solved but I do not understand what she means hope you can help. Before attempting to solve this quadratic equation, determine how many solutions there will be for this quadratic equation. Explain your reasoning.

  22. Algebra

    I need to make sure this is correct. 5/2x+1/4x=11/4+x 4(5/2x+1/4x=11/4+x) cancel, left with 10x+1x=11+x 11x=11+x 11x-x=11 10x=11 x=11/10

  23. Math - Algebra

    A. Solve the following quadratic equations. Make sure to show all your work. Do not use any method (e.g. factoring, completing the square, quadratic formula, graphing) more than twice. Use the graphing method at least once. 1. 3x+2 + 11x -20 =0 2. x2 + 3x

  24. math 10

    by completing the square method solve the equation. x^2-2x-1 can u factor it? when i did it it couldn't be factored. i also don't know why it is not factorable because its a perfect square right? please help me

  25. math/trigonometry

    solve this equation by completing the square. x^2+4x-21=0

  26. Math

    Solve the equation by completing the square x^2 -18 x =19 a. 1; 19 b. -1;19*** c. 3;6 d. 3:1

  27. Algebra

    Solve the equation by completing the square. x² – 7x – 4 = 0 • 7.53, –0.53 • –7.53, –0.53 • –7.53, 0.53 • 7.53, 0.53

  28. Algebra 2

    "My husband's age," remarked a lady the other day, "is represented by the figures of my own age reversed. He is my senior, and the difference between our ages is one-eleventh of their sum." 10x + y = husband's age 10y + x = wife's age (10x+y) - (10y+x) =

  29. Algebra 2

    Solve the equation by completing the square 3m^2 = -7m +40 2y^2 +51 = -17v

  30. Algebra

    solve the equation by completing the square 3x^2-12x+1=0

  31. math

    which pair of expressions are equivalent A 4(6X) and 10X B 4(6X) and 24X C 4X + 6X and 10 XX D 4X + 6X and 24X

  32. math

    Solve the equation by completing the square 16x^2+1=7x!!! Please help me ASAP!!!! :(

  33. math

    31. Solve the equation by completing the square. Round to the nearest hundredth if necessary. x2 – 6x = –8

  34. Maath

    Solve the equation for the indicated variable. 4x-3a-(10x+7a)=0 solve for x This is all I know how to do & don't know if it's even right. 4x-3a-(10x+7a)=0 solve for x 4x-3a-10x-7a=0 -6x-10a=0

  35. Math

    Solve each equation by completing the square. -36x=8x^2+28 -8x^2-3x=-5 5x^2-x-6=0 6x^2-24x-30=0 7x^2+8x-12=0 -10x^2 -9x+1=0 5x^2-x=4 -11x^2-8x=-7x-10 -3 1/3x^2+ 10x -27 1/2= -231/3

  36. Math

    Solve each equation by completing the square. -36x=8x^2+28 -8x^2-3x=-5 5x^2-x-6=0 6x^2-24x-30=0 7x^2+8x-12=0 -10x^2 -9x+1=0 5x^2-x=4 -11x^2-8x=-7x-10 -3 1/3x^2+ 10x -27 1/2= -231/3

  37. MATH PLEASE HELP FAST

    1.-3f^2+4f-3+8f^2+7f+1 a.5f^2-11f+2 b.11f^2+11f+2*** c.5f^2+11f-2 d.-5f+3f-2 2.3x^2+5X-5X^2-4X-2 a.-8x^2-9x+3 b.2x^2+x+3 c.-2x^2-9x+3 d.-2x^2+x+3*** 3.(8x-2y)+(3x-4y) a.11x+8y*** b.4x-y c.11x-6y d.5x+2y 4.(y+3d)-(-9y+7d) a.-10y+4d b.-8y+10d c.8y-6d***

  38. algebra

    1)Solve by factoring:5x^2=4-19x answer=-4,1/5 2)Which quadratic equation has roots 7 and -2/3? answer=A A.2x^2-11x-21=0 B.3x^2-19x-14=0 C.3x^2+23x+14=0 D.2x^2+11x-21=0 3)To solve 4x^2-28x+49=25 by using the square root property,you would first rewrite the

  39. Math

    solve the equation by completing the square round to da nearest hundred if nessesary. x^2 + 10x = 18 A -11.56, 1.56 B 11.56, 1.56 C -11.56, - 1.56 my answer D 11.56, -1.56 solve the equation by completing the square x^2 + 9x -14 = 0 A 10.35, 1.35 Meh

  40. Math-check my answers!!!

    Check my answers please!!!! I really don't know how to do these but I tried my best 1. Simplify. 3x^2+ 5x-5x^2-4x+5-2 A.-8x^2-9x+3 B.2x^2+x+3 C.-2x^2-9x+3*** D.-2x^2+x+3 2. Add or Subtract.(8x – 2y) + (3x – 4y) A.11x+8y B.4x-y C.11x-6y*** D.5x+2y

  41. Algebra

    I have some problems that I am having trouble with and I have some that need checking please. Thanks! Solve the equation. 4. (x+7/4)=2(x-1/6) Find all the value(s) of x that make thedenominator(s) zero. Then solve the equation. 6. (x-8/2x) +5= (x+6/x)

  42. Algebra

    1)Solve by factoring:5x^2=4-19x answer=-4,1/5 2)Which quadratic equation has roots 7 and -2/3? answer=A A.2x^2-11x-21=0 B.3x^2-19x-14=0 C.3x^2+23x+14=0 D.2x^2+11x-21=0 3)To solve 4x^2-28x+49=25 by using the square root property,you would first rewrite the

  43. algebra

    Please correct,if necessary, and simplify using long division: (-72-4x^2+8x^3-36x) devided by (x-3). My solution: 8x^2+20x+24 ------------------- 8x^3-4x^2-36x-72 8x^3-24x^2 ------------------ 20x^2-36x-72 20x^2-60x ----------------------- 24x-72 24x-72

  44. Math

    Hi everyone. Would someone be able to help me with this problems? I know it's a lot, if you only want to help with one or two, that is fine!! 9. Could you show how to use factoring and the zero-proudct property to find the zeros of each quadratic function?

  45. COLLEGE ALGEBRA

    Solve by completing the square 12x^2+11x=5

  46. COLLEGE ALGEBRA ..HELP!

    Solve by completing the square 12x^2+11x=5

  47. Pre-algebra

    Solve. 29x – 2(9x – 0.455) = 10x + 0.525 Give us you thinking on this so we can help you solve the equation. What is it you don't understand about solving this eqution? 29x –2(9x – 0.455) = 10x + 0.525 29x – 18x – 0.91 = 10x + 0.525 11x –

  48. Algebra 2 ..

    Solve by completing the square. 1. 2x^2=5x+12 2. 5x^2+10x-7=0

  49. algebra

    solve by completing the square x^2-10x=10

  50. Algebra 2 ..

    Solve by completing the square. 5x^2+10x-7=0 My answer: x= -1+ or - 2sqrt.of 10 all over 5

  51. math

    Solve the quadratic equation by completing the square. Verify your answer graphically. (Enter your answers as a comma-separated list.) 16x2 − 24x − 23 = 0 my answer was: x =16(x−3/4)^2−32 but online website (where i do my assignments that is posted

  52. calculus

    Solve the equation in the real number system X^4+11x^3+24x^2-23x+35=0 Please show work

  53. Algebra 2

    Completing the square method allows you to solve any quadratic equation. For each of the following determine what number completes the square. I cannot find my notes on completing the square, can someone please help with these two problems? 1. x^2+8x 2.

  54. math

    I need help with these three problems. They are on a Study Guide and I need some refreshing up of how to do them. 17. Solve the equation using the zero product property... -8n(5n+3) 19. Solve the equation by factoring 5z^2-2z-3=0 20. Solve the equation by

  55. Math

    I need help with these three problems. They are on a Study Guide and I need some refreshing up of how to do them. 17. Solve the equation using the zero product property... -8n(5n+3) 19. Solve the equation by factoring 5z^2-2z-3=0 20. Solve the equation by

  56. Math

    I need help with these three problems. They are on a Study Guide and I need some refreshing up of how to do them. 17. Solve the equation using the zero product property... -8n(5n+3) 19. Solve the equation by factoring 5z^2-2z-3=0 20. Solve the equation by

  57. Math (Quadratics)

    3. Solve for x in 8x^2 + 2x - 4 = 0 I have tried factoring, taking out a GCF then factoring, completing the square, and got a bunch of wrong answers. I thought we were supposed to complete the square, so maybe I'm just doing that wrong. I'm not looking for

  58. Algebra

    Find a polynomial of degree 4 with i as a zero of multiplicity 1, – i as a zero of multiplicity 1, and 5 as a zero of multiplicity 2. A. x^4 – 10x^3 + 26x^2 – 10x + 25 B. x^4 – 10x^3 + 24x^2 + 10x – 25 C. x^4 – 24x^2 + 25 D. x^4 – 26x^2 –

  59. Algebra

    almost done with Algebra...help! 2 3x – 6(2x – 0.055) = 10x + 0.515 I don't know what want but assuming your solving for x... 23x-12x-.33= 10x + 0.515 11x-.33= 10x + 0.515 x= 0.845 You need to clarify your post. Is that 23x or 3x (for problem #2

  60. calculus

    i need to find the derivative using chain rule: (x^2 + 2x - 6)^2 (1-x^3)^2 i got the answer from a site but the problem is i cannot get my work to match up with the answer, i don't know what im doing wrong. answer: 10x^9 + 36x^8 − 64x^7 − 182x^6 +

  61. Algebra......Help Quick!!

    12a^3bc-18a^2bc^2+6a^2c, x^2+20x+36, 12x^4-8x^3-4x^2, x^2+36x, 9x^2+6x+1, 6x^3+11x-10, x^2+3x-6..............can someone please help me solve some of these problems if not all. I have forgotten how to solve them can someone please help..Thanks

  62. Algebra

    For the following equation of a hyperbola determine the center, vertices, foci, and asymptotes? 36x^2-y^2-24x+6y-41=0

  63. Algebra

    Can someone help me with these two equations, I need to solve them by completing the square, I know the answers, (Number 1 is -11.56, 1.56, and number 2 is -10.35, 1.35) I just can’t remember how to get those numbers again, I have so much math on my

  64. Math

    I need help with how to do these problems.. SOLVE THE EQUATION USING THE ZERO PRODUCT PROPERTY -8n(5n+3)=0 SOLVE THE EQUATION BY COMPLETING THE SQUARE.. ROUND TO THE HEAREST HUNDRETHS X^2-3x=4 4x^2+4x-24=0 Thank you... I don't get how to do these please

  65. Algebra 2 Help!

    1.) Simplify the expression. [sqrt3 + 2i][sqrt3 - 2i] 2.) Solve using the square root property. (y - 4)2 = -18 3.) Rewrite the the function in vertex form. You may use completing the square or an alternate method. f(x) = 5x2 - 10x + 3 4.) Use the

  66. math

    i need to solve this equation by completing the square: x^2-14x+1=0 i don't' know how to do this, nor do i know what complete the square means. please help.

  67. maths

    solve the following equation by completing square x(square) + 5x - 84 Pls show steps x= or x=

  68. maths

    solve the following equation by completing the square x(square) - 4(square root 5)x =6 = 0 Then x= or x=

  69. Sameul

    by completing the square method solve the equation. x^2-2x-1 can u factor it? when i did it it couldn't be factored. i also don't know why it is not factorable because its a perfect square right? please help me

  70. Math

    Solve the equation by factoring, by finding square roots, or by completing the square. 4(x+8)^2=144 I'm not sure if I'm suppose to divide or multiply the 4 to both sides..

  71. maths

    solve the following equation by completing the square x(square) -13x + 21 = 0 Then x= or x=

  72. Algebra

    Completing the square method allows you to solve any quadratic equation. For each of the following determine what number completes the square. I cannot find my notes on completing the square, can someone please help with these two problems? 1. x^2+8x 2.

  73. Pre-Calculus

    Completing the Square 1) 9m^2 - 20m - 21 = 0 2) 10x^2 - 4x -32 = 0

  74. Math

    Solve the equation by completing the square. 2x^2 + 9x + 1 = 0

  75. Math

    How do you solve the equation by completing the square X^2+4x=10

  76. Algebra

    How do you solve the equation by completing the square X^2+4x=10

  77. math

    solve the equation by completing the square: x^2-9x-2=0

  78. Algebra

    Can you solve these equation by completing the square 2x^2+7x-4=0 3x^2x-1=0

  79. Math

    1. Find the next number in the pattern. -1, 3, 7, 11 a. 16 b.77 c.15

  80. Math

    solve 10x^4-11x^2+3=0

  81. Math

    Solve each quadratic equation by completing the square. x^2-6x+2=0

  82. HELP ! Algebra

    Solve the quadratic equation by completing the square. (-x^2 + 6x + 10 = 0)

  83. algebra

    solve the quadratic equation by completing the square -3x^2+9=1

  84. math

    2x^2 + 5x - 8 = 0 Solve the quadratic equation by completing the square.

  85. Albebra

    c squared-4c-12=0 we have to solve each equation by completing the square.

  86. algebra

    Did I do this problem the correct way if so is there a shorter way to explain this? x(x + 6)(x + -4) = 24x x(6 + x)(x + -4) = 24x x(6 + x)(-4 + x) = 24x (6 + x) * (-4 + x x(6(-4 + x) + x(-4 + x)) = 24x x((-4 * 6 + x * 6) + x(-4 + x)) = 24x x((-24 + 6x) +

  87. Math

    Hello, Having trouble with this one... Solve the inequality: (2x-3)(4x)+x^2=>(3x+4)^2 I did 2x-3*4x 9x^2-12x on the left side on the right side: 9x^2+24x+16 I substracted everything on the right side over to the left and made it => zero

  88. Algebra 2

    Can someone check my answers. Write the following equations in standard form. 1) x^2 - 2x + y^2 + 4y = 11 answer: (x-1)^2 + (y+2)^2 = 16 2) 4x^2 + 24x - y + 34 = 0 answer: y = 4(x-3)^2 + 2 3) The graph of which equation is a circle? A. 5x^2 + 10x = 9 +

  89. college math

    Solve the quadratic equation by completing the square. x^2 + 14x + 35 = 0 and x^2 + 8x = 5

  90. college algebra

    The goal of this problem is to solve the equation by completing the square. x^2-9x+14=0

  91. maths --plse help me..

    solve the following equation by method of completing the perfect square:- 4x^2 + 4 √3 x +3=0

  92. Algebra 2

    Solve by completing the square. a² - 2√(3a) + 2 = 0 Solve for x. I don't know if you can use completing the square for this problem. ax^n + b = 0

  93. this math tho

    31. Solve the equation by completing the square. Round to the nearest hundreth if necessary. x^2 - 6x = 7 x = 7, 1 x = -7, 1 x = -7, -1 x = 7, -1

  94. alg2 check?

    solve 3(8x-2)=46-2(12x+1) 24x-6=46-24x+2 24x-6=48-24x 48x-6=48 48x=42 x=42/48 or 7/8 what where the two mistakes made in the problem? I said the 46 going to 48 and subtracting the 6 from 48?

  95. Algebra

    Write the equation in slope-intercept form. What are the slop and y-intercept? -10x + 11y = -6 A. y = 10/11x-6/11 Slope: 6/11;y-intercept: -10/11 B. y = 10/11x-6/11 Slope:10/11;y-intercept: -6/11 C. y = 10/11x+6/11 Slope: 10/11;y-intercept: 6/11 D. y =

  96. Algebra II

    Write 36x^2-360x-25y^2-100y=100 in standard form. Then state whether the graphs of the equation is a parabola, circle, ellipse, or hyperbola. I started with: 36(x^2 -10x+25)-25(y^2+4y+4)=100+36(25)-25(4) which leads to: 36(x^2-10x+25)/900 -

  97. math,help,algebra I

    I need help can someone help me get unstuck and let me know if i am correct.thank you. solve by completing the square. 4x^2+2x-3=0 this is what i am doing: i used the quadratic equation. so where i am is in this step: x = (-2 (+-) sqrt (-44))/(8) from this

  98. Algebra 1b!

    1. Find the excluded value of x for the polynomomial expression 4x/6 a. 6 b. -6 c. 1/6 d. -1/6 2. Simplifly 3-2x/7 + 4x+5/7 a. 2x+8/14 b. 2x+8/7

  99. algebra

    1. x^2+6x-4=0 2. greater common factor -18a^3,3a^5 3. Solve 10x^4-11x^3+3=0

  100. math

    please help me out here the problem is combining like terms. 4x^3-3x^3+9x+2x I got 1x^3+11x but when i asked a friend they said it would be x^3+11x could u help me out please. also could you tell me if this probem is correct as well (10x^3+6x^2+4x)

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