given: y =(x + 3)^2
(-2x - 6)^2
((-2)(x+3))^2
distribute the exponent:
(-2)^2 * (x+3)^2
substitute y:
4 * y
which is letter D.
if y=(x +3)2, then (-2x-6)2 must equal which of the following:
a) -4y2
b) -2y2
c) -4y
d) 4y
1 answer