Question

What are the solutions to the equation x² = 625?

Select each correct answer.
A.−312.5

B.−25

C. 25

D. 312.5

Answer 1

The correct answers:
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[B]: "-25" ; and:
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[C]: "25"
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x = ± 25
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Note:
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" x² = 625 " ; Solve for "x" ;

→ √(x²) = √625 ;

→ |x| = |√625|

→ x= ± 25