Question

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Warm-Up
Which are solutions of the equation x2 - 16 = 0? Check all that apply.
x=-8
x=-4
x=-2
x=2
OOOOO
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x=8

Answer 1

Explanation:

The answer is - 4

Because when you solve it

x2 - 16 = 0

x2 = 16

So we will square root it

x = - 4

One more thing don't you have the option x = 4