rom28205 rom28205

16-10-2019
Mathematics

contestada

If x^2=4 then can x only be equal to 2?

(Geometry) true or false?

Respuesta :

Аноним Аноним

16-10-2019

true because two to the second power is two times two and we know two times two = 4

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mindyyyy mindyyyy

16-10-2019

This is false!

X^2 = 4
X can equal to -2 or 2

(2)^2 = 4
(-2)^2 = 4

Answer Link

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