Find the nonpermissible replacement for a in this expression. A square over -2a +6

asked Dec 10, 2018 42.0k views

3 votes

by Clyfe

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3 votes

The denominator may not equal 0, so you need to find where -2a+6 = 0.

This happens at a = 3, so 3 is the nonpermissible replacement.

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