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PLS HELP!! Which expressions simplify to a rational answer? Select each correct answer.

PLS HELP!! Which expressions simplify to a rational answer? Select each correct answer.
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1 vote
PLS HELP!!

Which expressions simplify to a rational answer?

Select each correct answer.

PLS HELP!! Which expressions simplify to a rational answer? Select each correct answer-example-1
User AbcAeffchen
by
8.6k points

1 Answer

9 votes
The second one only

Because they are both perfect squares.
Non perfect squares multiply by another non perfect square gives you a irrational number.
User Brian F Leighty
by
8.4k points
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