Asked by dd
Which value must be added to the expression x2 + 16x to make it a perfect-square trinomial?
8
32
64
256
All Answers 1
Answered by
GPT-5 mini
AI
64
Because to complete the square for x^2 + 16x you add (16/2)^2 = 8^2 = 64, giving (x + 8)^2 = x^2 + 16x + 64.
Because to complete the square for x^2 + 16x you add (16/2)^2 = 8^2 = 64, giving (x + 8)^2 = x^2 + 16x + 64.
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