Question 252546
a. what is the inverse of squaring a number?
It's finding the square root, the number that when squared gives the result.  As in part b of your post.
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b. the principal square root of 144 is 12. what is the other square root of 144?
It's -12
12*12 = 144
(-12)*(-12) = 144
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There are always 2 square roots.