Is #sqrt16 / 2# rational or irrational?

1 Answer
Mr. Danger
Apr 9, 2017

Rational, because when simplified it can be expressed as a fraction.

Explanation:

The square root of 16 is 4, so
#sqrt(16)/2 = 4/2#

Simplify...
#4/2 = 2/1#

This is a fraction (although one would usually write is as just "2"), and so the number is rational.

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