Use the square root property Solve m2−15=0

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12). Use the square root property to solve the equation:   m2−15=0

Select the correct choice below and, if necessary, fill in the answer box to complete your choice.

A.  The solution set is {_________}.

Or  

B.  The solution is ∅.

(Simplify your answer. Use integers or fractions for any numbers in the expression. Type an exact answer, using radicals as needed. Use a comma to separate answers as needed.)

Jun 22nd, 2015

Thank you for the opportunity to help you with your question!

m^2-15=0

m^2=15

m=sqrt(15)

but sqrt(15)= +/-3.87298

therefore m=+/-sqrt(15)

it is a set {-sqrt(15), sqrt(15)}

Please let me know if you need any clarification. I'm always happy to answer your questions.
Jun 22nd, 2015

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