Home > INT3 > Chapter 2 > Lesson 2.2.1 > Problem2-33

2-33.

Simplify each expression. Refer to the Math Notes box in this lesson for help.

1. $\sqrt { 50 }$

What square number is a factor of $50$?

Here is a list of square numbers to get you started:

$1^2=1\\2^2=4\\3^2=9\\4^2=16\\5^2=25\\6^2=36$

1. $\sqrt { 72 }$

Refer to part (a).

To simplify completely you need to find the largest square number that is a factor of $72$.

1. $\sqrt { 45 }$

Refer to part (a).