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1 vote
To complete the square for x2 + 8x = -7

you will need to add what number to both sides?
A. -4
B. 12
C. 64
D. 16

To complete the square for x2 + 8x = -7 you will need to add what number to both sides-example-1

1 Answer

6 votes
To complete the square, you would add to both sides (8/2)^2 = (4)^2 = 16. So, the correct answer would be D.