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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 ​<…

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 ​<…
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5 votes
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 ​

asked
User Alex Ciocan
by
7.5k points

1 Answer

4 votes

Answer:

B

Explanation:

x=√7

squaring

x²=7

answered
User TriumphST
by
8.2k points
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