Question

Part A Which solution do you get when you use the quadratic formula to solve the equation –4x2 – 12x – 9 = 0?

Answer 1

A: -3/2

Explanation:

-4x²-12x-9=0 First split the b value so that it equals a×c, or -4×-9

-4x²-6x-6x-9=0 Factor by grouping

(-2x-3)(2x+3)=0 Solve for x

x= -3/2