(-3 1/2) Squared? How Do I Do This??

(-3 1/2) squared? how do i do this??

 

First off, change the mixed fraction to improper fraction.

Let x\frac{a}{b} be a mixed fraction.

It can be converted to improper fraction in following manner.

x\frac{a}{b}=\frac{bx+a}{b}

Similarly,

-3\frac{1}{2} = \frac{-(6+1)}{2} = \frac{-7}{2}

(-3\frac{1}{2})^{2} = \frac{(7)^{2}}{2^{2}} = \frac{49}{4}


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