SOLUTION: My worksheet syas: Write a quadratic equation with -3/4 and 4 as its roots. Write the equation in form ax^2+bx+c=0, where a,b and c are integers. I must show my work. Thanks

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equation Customizable Word Problems -> SOLUTION: My worksheet syas: Write a quadratic equation with -3/4 and 4 as its roots. Write the equation in form ax^2+bx+c=0, where a,b and c are integers. I must show my work. Thanks      Log On


   

Question 161519: My worksheet syas: Write a quadratic equation with -3/4 and 4 as its roots. Write the equation in form ax^2+bx+c=0, where a,b and c are integers.
I must show my work.
Thanks.
Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
if -3/4 and 4 are roots, then (x+3/4) and (x-4) are factors

FOILing __ x^2+(3/4)x-4x-3=0 __ multiplying by 4 __ 4x^2-13x-12=0