If y = (x + 3)2, then (-2x - 6)2 must equal which of the following?
Question
Updated 5/28/2014 11:27:35 PM
This conversation has been flagged as incorrect.
Flagged by yeswey [5/28/2014 11:25:41 PM]
Original conversation
User: If y = (x + 3)2, then (-2x - 6)2 must equal which of the following?

Weegy:
(7x) - (-2x)

7x+2x

9x

Answer: (7x) - (-2x) is equal to 9x

User: If y = (x + 3)2, then (-2x - 6)2 must equal which of the following? A. -4y2 B. -2y2 C. -4y D. 4y

Weegy: B. -2y2
supernike|Points 610|

Question
Updated 5/28/2014 11:27:35 PM
This conversation has been flagged as incorrect.
Flagged by yeswey [5/28/2014 11:25:41 PM]
Rating
3
(-2x - 6)^2
= [-2(x + 3)]^2
= 4(x + 3)^2
we were given y = (x + 3)^2, so 4(x + 3)^2 = 4y.
If y = (x + 3)^2, then (-2x - 6)^2 must equal 4y.
Confirmed by andrewpallarca [5/28/2014 11:28:53 PM]

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