Question

The equation -3x2 + 12x = 10 is rewritten in the form of -3(x - p)2 + g = 0. What is the value of q?

A.-22
B.2
C.22
D.134

Answer 1

A

Explanation:

-3(x-p)2+g=0

-3x2+12x=10

-3(x2-4x)=10

-3(x2-4x+4)=10+12

x2-4x+4 = (x-2)2

-3(x-2)2=22

-3(x-2)2-22=0

q = -22