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

A: -23
B: -√49
C: 8
D: √79


​

User Erick Fleming
by
2.5k points

2 Answers

20 votes
20 votes
x^2+15=64? your answer is going to be B
User Omn
by
3.4k points
20 votes
20 votes

Answer:

B) -√49

Explanation:


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

User Ccellar
by
3.2k points
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