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Mathematics 18 Online
OpenStudy (anonymous):

Solve the equation sqrt x=11

OpenStudy (anonymous):

think about it this way, 11 is the number that when squared gives x.

OpenStudy (anonymous):

square both sides +/- 11

OpenStudy (anonymous):

√ x = 11 (√ x )² = 11² -> x = 121

OpenStudy (anonymous):

|dw:1330621842187:dw|oops 121

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