Find the equation whose roots are -8 and 5
-
A.
(x^2 + 13x + 40=0) -
B.
(x^2 – 13x – 40=0) -
C.
(x^2 – 3x +40=0) -
D.
(x^2 + 3x – 40=0)
Correct Answer: Option D
Explanation
Equation with roots -8 and 5: (x + 8)(x – 5) = 0
(x^2 – 5x + 8x – 40 = 0)
(x^2 + 3x – 40 = 0)