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If x is the principal square root of 7, what must be true? a. x = 72, and x is positive b. x2 = 7, and x is negative c. x2 = 7, and x is positive d. x = 72, and x is negative

If x is the principal square root of 7, what must be true? a. x = 72, and x is positive b. x2 = 7, and x is negative c. x2 = 7, and x is positive d. x = 72, and x is negative
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If x is the principal square root of 7, what must be true?

a. x = 72, and x is positive

b. x2 = 7, and x is negative

c. x2 = 7, and x is positive

d. x = 72, and x is negative

asked
User Logan Fuller
by
7.9k points

1 Answer

1 vote

Answer:C

Explanation:

x is
√(7) \\=2.645

which means 2.645²=7

answered
User Thang Luu Quoc
by
8.3k points
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