envybrianna envybrianna

21-05-2020
Mathematics

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Which are solutions of the equation x2 – 16 = 0? Check all that apply.

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kindthrifts kindthrifts

21-05-2020

Answer:

x = 4,-4

Step-by-step explanation:

x^2 - 16 = 0

Add 16 to both sides,

x^2 = 16

take the square root of both sides, this will cancel out x squared,

√16 = 4, so

x = 4, -4

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