Posted by **Carla** on Tuesday, August 7, 2012 at 9:59am.

1. which number below is irrational?

a)√4/9 b) √20 c)√121

Why is the number you chose irrational?

2. express in simplest form:

√48-5√27+2√75

3. solve for x: (√x+2)-3=0

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