abeer0aladwar abeer0aladwar

17-09-2021
Mathematics

contestada

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

A: -23
B: -√49
C: 8
D: √79

Respuesta :

DonHector04 DonHector04

17-09-2021

Answer:

B) -√49

Step-by-step explanation:

[tex]x^{2} + 15 = 64\\x^{2} = 64 - 15\\x^{2} = 49\\x = \sqrt{49}[/tex]

Answer Link

marciecleveland marciecleveland

17-09-2021

x^2+15=64? your answer is going to be B

Answer Link

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