# Questions on Algebra: Quadratic Equation answered by real tutors!

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 Quadratics: solvers Practice! Answers archive Lessons Word Problems In Depth

 Question 297318: Studing solotions of quadratic equations. For each equation determine whether the solutions are real or imaginary. If they are real specify whether they are rational or irrational. x^2 + 3x - 6 = 0 Click here to see answer by Fombitz(13828)

 Question 297317: Quadratic Formula t^2 + 10t + 26 = 0 (solve) Click here to see answer by Fombitz(13828)

 Question 297360: The lenght width and height of a box are x, 2x, and 3x - 5. Write a polynomial V(x) that represents its volume. Find V (3). Click here to see answer by checkley77(12569)

 Question 297388: x (squared) minus 8x plus 14 equals 0 Click here to see answer by richwmiller(9135)

 Question 297340: Leon drove 270 miles to the lodge in the same time as john drove 330 miles to the lodge. If John drove 10 miles per hour faster than Leon, then how fast did each of them drive? Click here to see answer by checkley77(12569)

 Question 297315: Quadratic equation (x - 1)^2 = -49 (solve) Click here to see answer by checkley77(12569)

 Question 297402: Find two consecutive integers such that the square of the sum of the two integers is 11 more than the lesser integer. I'm having a terrible time solving this. According to the book, the answer should be (-2,-1).I believe the formula is: x = lesser # x+1 = greater # (x+x+1)^2=x+11 (2x+1)^2=x+11 4x^2+4x+2=x+11 (subtract the x+11 to bring it to the other side) 4x^2+3x-9=0 (this is also where I get stuck) Click here to see answer by checkley77(12569)

 Question 297403: I am having trouble with writing in 50 words why the line x=4 is a vertical line. I think that x=4 is a vrtical line because it is perpindicular to the y axis.Can you help me please? I would very much appreciate it. Click here to see answer by josmiceli(9661)

 Question 297559: asdfasdfasdf Click here to see answer by richwmiller(9135)

 Question 297527: please tell me how to solve a problem like this one square root of 49x squared y squared Click here to see answer by richwmiller(9135)

 Question 297580: x^2/4 - x/2 - 1 = 0 how do i get rid of the fraction?? Click here to see answer by jim_thompson5910(28504)

 Question 297565: Graph the quadratic function f(x) = -x2 + 1 Describe the correct graph and why...Which way does the parabola go up or down, where does the graph cross the x-axis and y-axis.... Click here to see answer by Theo(3458)

 Question 297637: I cannot figure out this quadratic eqation: x^2 + x =0 Click here to see answer by nyc_function(2733)
 Question 297637: I cannot figure out this quadratic eqation: x^2 + x =0 Click here to see answer by richwmiller(9135)

 Question 297684: I understand how to use the quadratic formula when i'm asked to solve an problem that's straight forward like: x^2+8x+15=0, i can figure out that the answer is {-2/3,4}. I cant understand how to solve the following problem using the quadratic formula: z^2/1=z/5+6/5 I'm not sure if it's because it involves fractions and i just get really nervous but i'm not sure how to go about solving this problem... Click here to see answer by Fombitz(13828)
 Question 297684: I understand how to use the quadratic formula when i'm asked to solve an problem that's straight forward like: x^2+8x+15=0, i can figure out that the answer is {-2/3,4}. I cant understand how to solve the following problem using the quadratic formula: z^2/1=z/5+6/5 I'm not sure if it's because it involves fractions and i just get really nervous but i'm not sure how to go about solving this problem... Click here to see answer by Alan3354(30983)
 Question 297684: I understand how to use the quadratic formula when i'm asked to solve an problem that's straight forward like: x^2+8x+15=0, i can figure out that the answer is {-2/3,4}. I cant understand how to solve the following problem using the quadratic formula: z^2/1=z/5+6/5 I'm not sure if it's because it involves fractions and i just get really nervous but i'm not sure how to go about solving this problem... Click here to see answer by richwmiller(9135)

 Question 297706: m^2 - 5m - 14 = 0 Click here to see answer by Stitch(352)
 Question 297706: m^2 - 5m - 14 = 0 Click here to see answer by Deysha(1)

 Question 297707: Could someone describe how the discriminant can help you choose a strategy for solving a quadratic equation? I understand it can help you decide weather or not the equation has any real solutions rational or irrational but I don't understand anymore then that. Click here to see answer by Alan3354(30983)

 Question 297743: w^2 - 8w = 0 Click here to see answer by user_dude2008(1861)

 Question 297753: Can someone help me with this question? Given the pair of linear equations in two variables: Find the x- and y-intercepts (if any) for each line. Show your work. Apply elimination or substitution to find the coordinates of the point of intersection. State if there are no solutions or infinite solutions. Click here to see answer by user_dude2008(1861)

 Question 297758: n^2 = 6n Click here to see answer by user_dude2008(1861)

 Question 297763: x^2 + 8x = -15 Click here to see answer by user_dude2008(1861)

 Question 297767: 4y^2 = 25 Click here to see answer by user_dude2008(1861)

 Question 297766: If you are looking at a graph of a quadratic equation, how do you determine where the solutions are? Click here to see answer by user_dude2008(1861)

 Question 297783: 2c^2 - 7c + 5 = 0 Click here to see answer by user_dude2008(1861)

 Question 297829: y=-1/2 x^2-1 identify the vertex. Can someone help with this. Click here to see answer by richwmiller(9135)

 Question 297874: How do you solve the quadratic formula: all radicals should be simplified as far as possible, show work a^2-12a+35=0 Click here to see answer by checkley77(12569)
 Question 297874: How do you solve the quadratic formula: all radicals should be simplified as far as possible, show work a^2-12a+35=0 Click here to see answer by JBarnum(2044)

 Question 297881: what can be said from equation h(x)=-x^2(x+3)(x-2)without a calculator? Click here to see answer by user_dude2008(1861)

 Question 297878: Can someone help me with this question? Given the pair of linear equations in two variables: Find the x- and y-intercepts (if any) for each line. Show your work. Apply elimination or substitution to find the coordinates of the point of intersection. State if there are no solutions or infinite solutions x+5y=2 2x=-10y+4 Click here to see answer by Alan3354(30983)
 Question 297878: Can someone help me with this question? Given the pair of linear equations in two variables: Find the x- and y-intercepts (if any) for each line. Show your work. Apply elimination or substitution to find the coordinates of the point of intersection. State if there are no solutions or infinite solutions x+5y=2 2x=-10y+4 Click here to see answer by checkley77(12569)

 Question 297907: Find a quadratic equation with integer coefficients for the solution set {0,-9} Click here to see answer by user_dude2008(1861)

 Question 297937: Please solve x^2+4=13 Thank you Click here to see answer by checkley77(12569)

 Question 297955: what is the square root of 2/ the square root of 18 Click here to see answer by JBarnum(2044)

 Question 298000: I know how to factor a quadratic equation by using the foil method. however, I'm not sure how to so figure this one out because it seems like there is something missing. Could someone please show me how you work this problem out? Click here to see answer by user_dude2008(1861)

 Question 298027: x2+2x-35=0 Click here to see answer by nyc_function(2733)

 Question 298025: I am trying to solve the quadratic equation 3x-12. When I factor out the binomial I get 3(x-2)(x+2). I am stuck on what to do. How do we continue to solve this equation? Click here to see answer by richwmiller(9135)

 Question 298059: Help! how would I write a quadric equation for these numbers as a solution? -9/4, 2/3 Click here to see answer by JBarnum(2044)

 Question 298071: the directions of my homework say , "state the value of the discrimnant for each equation. Then determine the number of real roots of the equation." I'm not sure how to solve the problems. For example one of the problems are "q^2+4q+3=0" thanks!!! Click here to see answer by rapaljer(4667)
 Question 298071: the directions of my homework say , "state the value of the discrimnant for each equation. Then determine the number of real roots of the equation." I'm not sure how to solve the problems. For example one of the problems are "q^2+4q+3=0" thanks!!! Click here to see answer by jim_thompson5910(28504)

 Question 298125: write the equation of the parabola in standard form. find the coordinates of points corresponding to P and Q. *i do not really know how to explain this question but here is my work if it helps. my teacher marked it wrong and i do not know what i did wrong. f(x)= -3x^2 - 1x - 1 P' = (-2, 3) Q'= (-1, 0) *my teacher circled my answer for Q. i'm confused. Click here to see answer by stanbon(57250)

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