SOLUTION: The sum of a quadratic equation is -4 and the product of the roots is 5. The equation could be. I came up with x^2 + 4x - 5=0 but wasnt sure if that was right

Algebra ->  Conversion and Units of Measurement -> SOLUTION: The sum of a quadratic equation is -4 and the product of the roots is 5. The equation could be. I came up with x^2 + 4x - 5=0 but wasnt sure if that was right      Log On


   

Question 292131: The sum of a quadratic equation is -4 and the product of the roots is 5. The equation could be.

I came up with x^2 + 4x - 5=0
but wasnt sure if that was right
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
the roots of your equation are 1 and -5
so the sum is -4 but the product is -5 not 5
x+y=-4
xy=5
x = -2-i, y = -2+i are the roots
(x-(-2-i))*(x-(-2+i))
x^2+4 x+5=0