Select the value that is a root of the equation x^2 + 8x + 16 = 0. a) x = -4 b) x = 3 c) x = -1 d) x = 5

asked Nov 1, 2023 115k views

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Select the value that is a root of the equation x^2 + 8x + 16 = 0.

a) x = -4
b) x = 3
c) x = -1
d) x = 5

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9 votes

A because you would subtract 16 from both sides. X^2+8x=-16
-4^2+8(-4)=-16
16+-32=-16
-16=-16

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