1. algebra

    2x^=5-2x find the real solution using the quadratic formula

    asked by sue on September 5, 2014
  2. algebra

    Solve the quadratic equation: 2x(squared)+6x+12=0 I know you have to find two numbers that =24 (2 times 12) and have a sum of 6. But I can't think of any! Can someone please help? Use the quadratic. And this problem has no real answers, they are imaginary.

    asked by Sir Galahad on December 9, 2006
  3. algebra

    Unit 4: Quadratic Functions and Equations Lesson 6: The Quadratic Formula and the Discriminant 1.) a=5, b=9, c=-4 2.) C 3.) No solution 4.) x=-2, x=1.25 5.) x=-9, x=3 6.) quadratic formula 7.) 2 8.) 11cm by 16cm

    asked by Anonymous on March 16, 2020
  4. Algebra

    For this equation x^(2) + x + 2 which you can't factor but then you can use the quadratic formula but than why is the answer no real solutions when I can use the quadratic formula?

    asked by Anonymous on October 3, 2010
  5. math

    I need help finding x for this equation e^x (x^2 + 4x + 2)=0 thanks. e^x = 0 or x^2 + 4x + 2 = 0 the first has no real solution (actually x would have to an infinitely large negative number) The second is a quadratic, use the formula to solve it.

    asked by eric c. on May 9, 2007
  6. Calculus

    Find the exact real solutions, if any, of this quadratic equation. Use any method. If there is no real solution enter NONE in each box. 2x^2-5x+3=0 Is the smaller value none andthe larger value none.

    asked by George on August 26, 2008
  7. college algebra

    find the real solutions, if any. use the quadratic formula 2/3x^2 - x -3=0

    asked by kathy on January 23, 2012
  8. math

    find the real solutions using the quadratic formula 6-(1/x)-(4/x^2)=0

    asked by brad on December 2, 2012
  9. Algebra

    Consider the equation 4x^2 – 16x + 25 = 0. (a) Show how to compute the discriminant, b^2 – 4ac, and then state whether there is one real-number solution, two different real-number solutions, or two different imaginary-number solutions. (b) Use the

    asked by Pamela on July 7, 2009
  10. Algebra

    Consider the equation: 4x^2 – 16x + 25 = 0 (a) Show how to compute the discriminant, b^2 – 4ac, and then state whether there is one real-number solution, two different real-number solutions, or two different imaginary-number solutions. (b) Use the

    asked by Tammie on July 8, 2009
  11. Math

    Use the quadratic formula to find the real solutions of the equation 2x^2-3x=1

    asked by Brenda on November 1, 2018
  12. Algebra II

    Find the exact solution to 6x^2+1= -8x by using the Quadratic Formula. Answer: -4 +/- sqrt 10 2)Which describes the number and type of roots of the equation x^2-625=0? Answer: 2 real roots 3)If g(x)=3x-8, find g[g(-4)] Answer: -20

    asked by Lucy on April 6, 2008
  13. Pre-Calculus

    Find all the real zeros of the polynomial. Use the quadratic formula if necessary. 4x^3 − 10x^2 + 9

    asked by Jessica on September 14, 2014
  14. Math Help

    Consider the quadratic equation (a) Solve the equation using the quadratic formula, expressing your answer in terms of k. (b) What condition on k will assure that the equation has exactly one solution? (c) What condition on k will assure that there are two

    asked by Tony on April 28, 2014
  15. Algebra

    Use the quadratic formula to find the real solutions: 2x/x-3 + 2/x = 3 I know I multiply both sides by x(x-3), but I don't know how to do that.

    asked by Aless on August 22, 2010
  16. precalculus

    can you check my answers? Find Pk + 1 if Pk = 7 + 13 + 19 + ...+[6(k - 1)+1] + (6k + 1) 7 + 13 + 19 + …+[6(k - 1) + 1] + (6k + 1) + [6(k + 1) + 1] 8 + 14 + 20 + …+[7(k - 1) + 1] + (7k + 1) 7 + 13 + 19 + …+(6k + 1) 7 + 13 + 19 + ...+[6(k - 1) + 1] +

    asked by Anonymous on December 14, 2016
  17. can you check my answers precalculus

    can you check my answers? Find Pk + 1 if Pk = 7 + 13 + 19 + ...+[6(k - 1)+1] + (6k + 1) 7 + 13 + 19 + …+[6(k - 1) + 1] + (6k + 1) + [6(k + 1) + 1] 8 + 14 + 20 + …+[7(k - 1) + 1] + (7k + 1) 7 + 13 + 19 + …+(6k + 1) 7 + 13 + 19 + ...+[6(k - 1) + 1] +

    asked by Anonymous on December 14, 2016
  18. math help how do i do this

    Decide which part of the quadratic formula tells you whether the quadratic equation can be solved by factoring. −b b^2 − 4ac 2a Use the part of the quadratic formula that you chose above and find its value, given the following quadratic equation: 4x^2

    asked by Oscar on March 1, 2016
  19. math help plsss plsss

    Decide which part of the quadratic formula tells you whether the quadratic equation can be solved by factoring. −b b^2 − 4ac 2a Use the part of the quadratic formula that you chose above and find its value, given the following quadratic equation: 4x^2

    asked by Oscar on May 25, 2016
  20. algebra 1

    Decide which part of the quadratic formula tells you whether the quadratic equation can be solved by factoring. −b b2 − 4ac 2a Use the part of the quadratic formula that you chose above and find its value, given the following quadratic equation: 4x^2 +

    asked by Macy on May 4, 2018
  21. Math

    Find the real solutions, if any, to this equation. Use the quadratic formula. 3x^2+5x-7 =0 I get stuck when I plug in and simplify them all... I got up to -5+_ sqrt109 /5

    asked by Lillie on August 22, 2010
  22. Math

    Use the quadratic formula to solve each of the following quadratic equations... 1. 2x^2-5x=3 2. 3x^2-2x+1=0 Rearrange the equation in quadratic formula form. 2x^2 -5x -3 = 0 Then use the formula. Tell me what you don't understand about it if you don't know

    asked by Tomika on June 13, 2007
  23. Algebra 2

    1. The roots of the quadratic equation z^2 + az + b = 0 are 2 - 3i and 2 + 3i. What is a+b? 2. Find all pairs of real numbers (x,y) such that x + y = 6 and x^2 + y^2 = 28. If you find more than one pair, then list your pairs in order by increasing x value,

    asked by Nanami on October 7, 2017
  24. algebra

    the discriminant of a quadratic equation is -5 which answers describes the number and type of solution of the equation? 2 complex solutions

    asked by jass on February 14, 2017
  25. math,algebra

    can someone help me out factor out this 0=16t^2-122t+180 i have so far this but the last one i am not sure 8(2t^2-14t + ?) you need to use the quadratic formula: -b(+or-)[sqrt(b^2-4ac)/2a] so you are saying that i don't have to factor it out any further i

    asked by jasmin20 on April 6, 2007
  26. math

    (4.35E-2 - x)(7.56E-2 -x ) ============================ (0.324 + 2x)2 Rearrange to get an expression of the form ax2 + bx + c = 0 and use the quadratic formula (solve for x. This gives: x = 1.05E-2, 0.143 basically i understand they use the quadratic

    asked by bob on March 10, 2012
  27. Math

    I am given 4 choices for the problem the square root of 8x -2 = the square root of 2x. The choices are a)x=2 or 2/9 b)no solutions c)2/9 or d)x=2.I have imput the numbers and gotten a variety of solutions none of which are any of the choices, does this

    asked by Kellie on January 16, 2007
  28. Algebra 2

    How are the real solutions of a quadratic equation related to the graph of the quadratic function? Please help? How do I make a real-world situation out of this?

    asked by Fading on November 13, 2016
  29. Algebra II

    1)What method(s) would you choose to solve the equation: x2 + 2x - 6 = 0 A. Square roots; there is no x-term. B. Quadratic formula, graphing; the equation cannot be factored easily since the numbers are large. C. Factoring; the equation is easily factored.

    asked by Hally on January 15, 2013
  30. Physics - please, I really need help

    a car attempts to stop and slides 25.5m while accelerating at -4m/s^2. The car's initial velocity was 20m/s. Find the time the slide took. Note that the final velocity is not known and that you need a quadratic solution. I know the quadratic formula, but

    asked by Sam on February 3, 2009
  31. Physics - Important

    a car attempts to stop and slides 25.5m while accelerating at -4m/s^2. The car's initial velocity was 20m/s. Find the time the slide took. Note that the final velocity is not known and that you need a quadratic solution. I know the quadratic formula, but

    asked by Sam on February 3, 2009
  32. help with solving

    x^2+(x-2)^2 = (2x-6)^2 solve for x. thanks so much. Please keep in mind that tutors here won't simply do your work for you. I'm sure you'll get a better response if you show your work as far as you can get, so tutors will know where you get stuck. =) it

    asked by q on August 3, 2007
  33. Math

    Solve for the zeros of the function using the quadratic formula. 3x^2=-4x+6 I know what the quadratic formula is but when I put it into the formula I keep getting an error on the graphing calculator.

    asked by M on April 9, 2015
  34. Math

    Solve the given quadratic equation exactly using the quadratic formula. Write the solutions in its simplest form. Using a calculator, determine all irrational solutions to the nearest thousandth. Separate the solutions with a comma and list the smaller one

    asked by Sam on September 23, 2014
  35. Math

    Solve the given quadratic equation exactly using the quadratic formula. Write the solutions in its simplest form. Using a calculator, determine all irrational solutions to the nearest thousandth. Separate the solutions with a comma and list the smaller one

    asked by Jade on September 23, 2014
  36. 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.

    asked by Charly on June 2, 2011
  37. 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.

    asked by Charly on June 2, 2011
  38. College Math

    r^2+10r-23=0 I used the quadratic formula and I got a -5+2√12 However the real answer is -5+4√3 What am I doing wrong?

    asked by HM on September 17, 2011
  39. Math ,help

    how can i simplify this more its for the following problem: Problem #22 solve by using the quadratic formual. 5x^2-4x+1=0 this is where i am but i do not know how to go further. x = (4 (+/-) sqrt (-4))/(10) Problem #23 Solve by completing the square.

    asked by jasmine20 on April 15, 2007
  40. algebra 2

    a. find the value of the discriminant b. describe the number and type of root c. find the exact solution by using quadratic formula 1. p^2+12p=-4 2. 9x^2-6x+1=0 3. 2x^2-7x-4=0

    asked by Reina Bonilla on December 14, 2014
  41. algebra II

    How do you know if a quadratic equation will have one, two, or no solutions? How do you find a quadratic equation if you are only given the solution? Is it possible to have different quadratic equations with the same solution? Explain. Provide your

    asked by hollywood on June 15, 2010
  42. algebra II

    How do you know if a quadratic equation will have one, two, or no solutions? How do you find a quadratic equation if you are only given the solution? Is it possible to have different quadratic equations with the same solution? Explain. Provide your

    asked by Nadia on October 7, 2008
  43. College Algebra

    When using the Quadratic formula, why is only necessary to examine the discrimant to determine if the equation only has real numbers?

    asked by Jennifer on June 5, 2013
  44. MATH

    Which method of solving quadratic equations should be used when only an estimated solution is necessary? factoring quadratic formula graphing MY GUESS GRAPHING?

    asked by Meredith Grey on February 26, 2015
  45. Algebra

    1. How many real solutions does the function shown on the graph have? The graph is following the function: y=(x+2)^2 A. No real solutions B. One real solution** My answer C. Two real solutions D. Cannot be determined 2. What is the solution to 3x^2+3x+5=0?

    asked by Mitch n' Joey on October 25, 2017
  46. algebra

    When using the quadratic formula, why is only necessary to examine the discriminant to determine if the equation only has real number solutions?

    asked by jimmy on January 30, 2012
  47. algebra

    When using the quadratic formula, why is only necessary to examine the discriminant to determine if the equation only has real number solutions?

    asked by jimmy on January 30, 2012
  48. Algebra

    How do you know there is no real solution to the quadratic equation x2+x+14=0?

    asked by Matisha on April 17, 2016
  49. Mat/117 DQ1

    How do you know if a quadratic equation will have one, two, or no solutions?Please give examples. How do you find a quadratic equation if you are only given the solution? Please give an example.Is it possible to have different quadratic equations with the

    asked by Rose on February 27, 2012
  50. College Algebra

    I could not figure out the answer to this Problem: The quadratic function f(x)= -2x^2 =4x +3 can be used to solve the following inequality: -2x^2 -4x < -3 First use the Quadratic Formula to find the x-intercept of f. This problem asks that the answer be

    asked by Lee on October 22, 2010
  51. Pre-Calculus

    Find first differences for the sequence in order from a_1 to a_5. Determine whether or not the series is quadratic or not.(I used _ as a sign for a subscript) -1, -3, -1, 5, 15 A. 2, 2, 6, 10; not quadratic B. 2, 2, 6, 10; quadratic C. -2, 2, 6, 10; not

    asked by Sade on December 12, 2016
  52. College Math II

    Solve by using the quadratic formula. x^2 + 6x + 6 = 0 I am having problems using the quadratic formula to get the right answer. Can someone show me the steps that I use? Thanks.

    asked by Lori on November 21, 2009
  53. Math

    Find all real solutions of the equation. (Enter your answers as a comma-separated list. If there is no real solution, enter NO REAL SOLUTION.) 17x3 − x + 3 = x3 + 24x2 + x

    asked by Toney on February 19, 2012
  54. ALGEBRA

    How do you know if a quadratic equation will have one, two, or no solutions? How do you find a quadratic equation if you are only given the solution? Is it possible to have different quadratic equations with the same solution?

    asked by GGIFT on March 28, 2010
  55. Algebra

    How do you know if a quadratic equation will have one, two, or no solutions? How do you find a quadratic equation if you are only given the solution? Is it possible to have different quadratic equations with the same solution?

    asked by Laura on September 30, 2008
  56. ALGEBRA-MAT117

    How do you know if a quadratic equation will have one, two, or no solutions? How do you find a quadratic equation if you are only given the solution? Is it possible to have different quadratic equations with the same solution?

    asked by Paradise on January 12, 2009
  57. Pre-Calculus

    Find the values of x for which the line y=2x intersects the parabola y=(x-1)^2+1. So I set the equations equal to eachother, and solved for x using the quadratic formula. The solution I got was: x=3.41 and x=0.59. Could someone please check my work.

    asked by Jon on September 20, 2010
  58. college algebra

    Find all real solutions of the equation. (Enter your answers as a comma-separated list. If there is no real solution, enter NO REAL SOLUTION.) x4 + 27x = 0

    asked by tara on September 5, 2013
  59. college algebra

    find a real-life application of a quadratic function. State the application, give the equation of the quadratic function, and state what the x and y in the application represent. Choose at least two values of x to input into your function and find the

    asked by Renee on October 19, 2008
  60. chem

    Complete the table below: Note: Make simplifying assumptions, do not use the quadratic formula. What is the pH of the solution created by combining 11.80 mL of the 0.10 M NaOH(aq) with 8.00 mL of the 0.10 M HCl(aq)? with 8.00 mL of the 0.10 M HC2H3O2(aq)?

    asked by Sara on October 28, 2011
  61. chemistry

    Complete the table below: Note: Make simplifying assumptions, do not use the quadratic formula. What is the pH of the solution created by combining 2.00 mL of the 0.10 M NaOH(aq) with 8.00 mL of the 0.10 M HCl(aq)? with 8.00 mL of the 0.10 M HC2H3O2(aq)?

    asked by Sara on October 28, 2011
  62. Pre-Calculus 11

    Two positive numbers x and 1-x add up to 1. Let the sum of their reciprocals be k. Find the only possible value of k such that x is a rational number. Hint: set up the equation and solve x with k in it. You'll encounter the quadratic formula in your

    asked by Shawn on September 14, 2016
  63. Chemistry

    What is the pH of a 1.0E-8 M solution of HCl? Please note that you cannot simply add the contribution of H+ ions from the autoproteolysis of water and the contribution from the dissociation of HCl. You will need to use the quadratic equation to solve this

    asked by Joel on September 3, 2010
  64. math

    Use quadratic formula (3x/x-1)+(2/x)=4 the solution set is ( , )

    asked by Anonymous. on August 23, 2014
  65. Algebra 1

    Solve 2x^2 + 7x = -8 using the Quadratic Formula. A: No solution?

    asked by Victoria on May 13, 2014
  66. math

    15t^2+7t=2 The quadratic formula tells you that the solutions are: t = [-b +/-sqrt (b^2 - 4ac]/ (2a) In this case, a = 15, b = 7 and c = -2 solve the equation for t. What values for t will you get when you substitute the values you listed for a, b, and c

    asked by Taina on June 24, 2011
  67. math

    I'm having trouble understanding one step in a proof of the Cauchy-Schwarz inequality: u = a non-zero vector v = another vector a = (so a > 0 by positivity axiom) b = 2 c = (so c >= 0 by positivity axiom) t = any real number 0

    asked by mathstudent on January 4, 2007
  68. Algebra 1

    Which method is the best method for solving the equation 8x^2-123x+3=0 square roots factoring graphing quadratic formula my answer is quadratic formula

    asked by Steve on February 15, 2015
  69. algebra 2

    x^2 - 3x + 5 = 0. solve using quadratic formula. show solution

    asked by em on January 15, 2014
  70. AlgebraB-2

    A model rocket is launched from a roof into a large field. The path of the rocket can be modeled by the equation y = 0.04x+ 8.3x + 4.3, where x is the horizontal distance, in meters, from the starting point on the roof and y is the height, in meters, of

    asked by Jennifer W. on March 26, 2013
  71. Math

    How do you graph the quadratic formula x^2-10x=11? Here's what I got so far: In standard form, it's x^2-10x-11=0. Discriminant: -10^2-4(1)(-11)=144 Axis of Symmetry: 10^2/2(1)=50 Quadratic Formula: 56 and 44 Thank You!

    asked by Naoko on May 11, 2008
  72. algebra

    0. Tell your classmates about your pet to set up the scenario for fencing a rectangle in your yard. 1. You MUST start by choosing an amount of area that you want to fence in for your pet and this MUST be stated first. What amount of area are you enclosing

    asked by jim on February 14, 2012
  73. math

    1/2x^2=x/4+1 how can i solve that with quadratic formula?plz i need the solution fast.

    asked by Riana on January 28, 2013
  74. Algebra II, part 2

    Part 2 of homework set. 6. Solve the quadratic using the quadratic formula. 2x^2+5x+9=0 7. Find the discriminant. Then determine the number and types of solutions. 2x^2+3x-18=0 8. Simplify Root -27 9. Simplify 8/(3+2i)

    asked by Micheal on November 24, 2015
  75. math

    Need help with this quadratic math equation... Question: (x+1/x)^2 - 14(x+1/x) = 72 ended up with: x^2 + 1 - 14x^3 - 14x -70x^2 = 0 Where do I go from here? I'm trying to find a way to apply the quadratic formula to my results, but I'm having trouble. Is

    asked by Anonymous on June 29, 2018
  76. math

    How are the real solutions of a quadratic equation related to the graph of the quadratic function?

    asked by cj on October 29, 2015
  77. math

    How are the real solutions of a quadratic equation related to the graph of the quadratic function?

    asked by cj on October 27, 2015
  78. Chemistry

    Hmm... This does not make sense. I learned that anything over 5% error, we cannot accept so we have to use the quadratic formula. Here is a question I got 5.831%. It didn't use the quadratic formula and it still said to set x=0. Ka = 6.8x10^-4 HF = 0.2-x

    asked by Xi on November 25, 2008
  79. Algebra

    Solve the equation. Use factoring or the quadratic formula, whichever is appropriate. Try factoring first. If you have any difficulty factoring, then go right to the quadratic formula. (Enter your answers as a comma-separated list.) (x+2)^2 + (x-7)(x-2)=16

    asked by Merty on April 17, 2015
  80. Math

    Hello! I am trying to write a study guide for an upcoming test, because my class does not provide one. This is the practice test question. I know the answer to this equation; however, I wish to know HOW to solve it for the real test. The equation: √2x +

    asked by Celia on February 25, 2019
  81. Ap algebra

    2+3X^2-X^3=0 by use quadratic formula. The answer of textbook is 3.19 So I solved and came out a wrong answer What I did factor out (-X+3)X^2+2=0 Then By quadratic formula, a=1,b=0,c=2. Thus I got sqrt(8)/2

    asked by Lucy on January 25, 2017
  82. algebra

    using quadratic formula 3y2=6+7y 3 y^2 -7y - 6 = 0 When using the quadratic formaul to find y, a = 3, b = -7 and c = -6 y = [-b +/- sqrt (b^2 -4ac)]/2a = {7 +/- sqrt (49 + 72)}/6 = {7 +/- 11)/6 = +3 or -2/3

    asked by Susan on August 2, 2007
  83. Math

    The following three points are produced by some quadratic function of the form : f(x) = Ax^2 + Bx + C where A; B and C are real numbers and A = 0; they are (1/2,0);(0,10); and (4,0). Find a quadratic function that satisfy es these three points.

    asked by ben on September 18, 2012
  84. Math

    Find the exact solution to 6x^2+1=-8x by using the Quadratic Formula. A)-4+-(sqrt10) B)-4+-(sqrt22)/6 C)-2+-2(sqrt10)/3 D)-4+-(sqrt10)/6 I chose C x=-b+-(sqrtb^2-4ac)/2a x=--8+-(sqrt-8^2-4(6)(1))/2(6) x=8+-(sqrt64-24)/12 x=8+-(sqrt40)/12 x= C

    asked by Jon on February 20, 2008
  85. Precalculus

    "Show that x^6 - 7x^3 - 8 = 0 has a quadratic form. Then find the two real roots and the four imaginary roots of this equation." I used synthetic division to get the real roots 2 and -1, but I can't figure out how to get the imaginary roots. I checked

    asked by Emily on September 20, 2009
  86. Algebra

    (x=1 is the day tickets go on sale) Tickets= -0.2x^2+12x+11 1) Use the quadratic equation to determine the last day that tickets will be sold. Note. Write your answer in terms of the number of days after ticket sales begin. 2) Will tickets peak or be at a

    asked by Anonymous on February 19, 2011
  87. math

    Solve the equation using the quadratic formula (if necessary, round your result to three significant digits and decide which number is smaller or larger x value). 2x^2 + x − 7 = 0 I used the quadratic formula and I got -2.13 as a smaller x-value and 1.6

    asked by anonymous on January 29, 2020
  88. math,algebra,help

    Is this right: Solve: x^2+16x+60=0 this is what i did: i used the quadratic formula and this is what i ended up with. x = -8 +- (sqrt(16))/(2) Which is -8 +-2 Or you could have factored the quadratic (x+10)(x+6) Which is -8 +-2 Or you could have factored

    asked by jasmine20 on April 14, 2007
  89. College Math

    For questions 1-2, apply the quadratic formula to find the roots of the given function, and then graph the function. 1. f(x) = x2 + 4 (6 points) g(x) = x2 - x – 12 For questions 3-4, factor the quadratic expression completely, and find the roots of the

    asked by jennie on December 12, 2010
  90. math-calculus

    solve equation |x^2-2x-6| using quadratic formula. i not get how to do this and it says quadratic formula.

    asked by Shreya on January 18, 2012
  91. Math

    What is a quadratic formula? how can i solve x^2 + 8x + 12 = 0 applying quadratic formula?

    asked by Justin P on January 18, 2012
  92. math

    (4-y^2)/(y-2) = y/2 (4-y^2)/(y-2) = y/2 4 - y^2 = (y*(y-2))/2 4 - y^2 = (y^2-2y)/2 8 - 2y^2 = y^2 - 2y 3y^2 - 2y - 8 = 0 (keep the above equation in mind) quadratic formula: (-b +/- sqrt(b^2 - 4ac))/2a now solve by plugging in the appropriate numbers and

    asked by math on October 30, 2006
  93. calc

    one more question!! what values of c deos the polynomial f(x) = x^4 + cx^3 + x^2 have two inflection points? one inflection point? At the inflection point, the slope of the curve is zero. Find the dervative of f(x) and set it equal to zero. For certain

    asked by kooldude on November 9, 2006
  94. college algebra

    1. solve the following logarithmic equation log_8(x+8)+log_8(x+7)=2 what is the exact solution 2.se the rational theorem to find all the real zeros of the polynomial function. use the zeros to factor f over the real numbers. f(x)=4x^4+5x^3+9x^2+10x+2

    asked by Ladybug-two questions- Reiny please help on December 1, 2012
  95. Chemistry

    What is the pH of a 0.0050 M solution of sodium fluoride? I got 7.58 for pH. Is it correct? but I try to plug in my quadratic formula, I don't get the pH 7.58. I'm really confuse. Please help.

    asked by Matt on October 12, 2015
  96. math problem

    how do I find all real solutions of this quadratic equation. w^2 = 3(w - 1)

    asked by Sean on August 31, 2009
  97. college algebra

    find a real-life quadratic function

    asked by Lisa on November 20, 2009
  98. maths

    If the quadratic equation (8+i)x^2+(a-i)x+38-2i=0 has real roots, what is the value of the positive real constant a?

    asked by CHRIS on October 27, 2013
  99. precalculus

    Are my answers correct if not which are right? Find the second difference for the sequence. 7, 6, 7, 10, 15, 22, …. 1 2 3 5 answer:a Find first differences for the sequence in order from a1 to a5. Determine whether or not the series is quadratic or not.

    asked by sally on December 14, 2016
  100. Algebra 2

    What are the real and complex solutions of the polynomial equation? 27x^3 + 125 = 0 I already got the real solution x = -5/3, I just need to figure out how to find the complex solution. Any help?

    asked by Harold on December 23, 2015