SOLUTION: Write a quadratic equation having the given numbers as solutions. -7, 4

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons  -> Quadratic Equation Lesson -> SOLUTION: Write a quadratic equation having the given numbers as solutions. -7, 4      Log On


   

Question 311907: Write a quadratic equation having the given numbers as solutions.
-7, 4
Answer by unlockmath(1688) About Me  (Show Source):
You can put this solution on YOUR website!
Hello,
So let's go backwards on this and put it like this:
(x-4)(x+7)=0
Now multiply this to get:
x^2+3x-28=0
There we go.
Make sense?
RJ
www.math-unlock.com