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Which could be the value of x in the equation x² + 15 = 64?

A: -23
B: -√49
C: 8
D: √79




2 Answers

0 votes
x^2+15=64? your answer is going to be B
User Wgpubs
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Answer:

B) -√49

Explanation:


x^(2) + 15 = 64\\x^(2) = 64 - 15\\x^(2) = 49\\x = √(49)

User Moys
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6.0k points