tzuyufairyy tzuyufairyy

03-05-2021
Mathematics

contestada

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 class=

Respuesta :

jjjoy52 jjjoy52

03-05-2021

Answer:

I think the answer is 8..

Answer Link

goddessboi goddessboi

03-05-2021

Answer:

x=±8

Step-by-step 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

Answer Link

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