177k views
12 votes
What is the solution set for the following equation?
x² = 16

2 Answers

11 votes

Answer:

x = 4

Explanation:

x² = 16

We do the opposite of x² , so we
√(x) (square root) both sides


√(x) =
√(16) = 4

to confirm this, we can square 4, which gets us 16.

Hope this makes sense! Feel free to ask anything further if need be.

- profparis

User Trey Piepmeier
by
8.6k points
4 votes

Answer:


\{4,-4\}

Explanation:


~~~~x^2 = 16\\\\\implies x = \pm√(16)\\\\\implies x =\pm 4\\\\\implies x = 4 ,~ x = -4

User Lorenzo Fiamingo
by
8.3k points

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