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3 votes
What is the solution of the equation x2 = 64?
+8
8
+4
4

What is the solution of the equation x2 = 64? +8 8 +4 4-example-1
User SamJolly
by
8.8k points

2 Answers

4 votes

Answer:

I think the answer is 8..

User Choobablue
by
8.3k points
3 votes

Answer:

x=±8

Explanation:

The square root of a positive number has a negative and positive real root.

Therefore:

x²=64

x=√64

x=±8

Let's check:

(-8)²=-8*-8=64 works

(8)²=8*8=64 works

User CreekGeek
by
7.7k points

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