louisjoy45 louisjoy45

11-11-2020
Mathematics

contestada

If x is the principal square root of 7, what must be true.

A. x = 7², and x is negative

B. x² = 7, and x is positive

C. x = 7², and x is positive

D. x² = 7, and x is negative

Relax

Respuesta :

surjithayer10 surjithayer10

11-11-2020

Answer:

B

Step-by-step explanation:

x=√7

squaring

x²=7

Answer Link

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