Comparing Square Roots

If I know the area of a square, how do I find the side length?

• I square the area.

• I divide the area by 2.

• I take the square root of the area.

• I divide the area by 4.

Which is larger? √20 or √26 (Use your calculator to get approximate values of each irrational number.)

• √20

• √26

The square root of 5 is between what two integers?

• 4 and 5

• 2 and 3

• 3 and 4

• 9 and 10

The square root of 196 is 

• 12

• 11

• 13

• 14

Find the value[s] of the expression.

• No real solutions

• 14

• 13

Find the value[s] of the expression.

• 5

• 4

• -5

• No real solutions

√100

• 15

• 10

• 11

• 12

Square roots are the opposite of ____________.

• Cube Roots

• Squaring

• Multiplication

• Absolute Value

A perfect square is a number whose square root is ___________.

• Even

• irrational

• Rational

• Odd

The √20 is between which two integers?

• 2 & 3

• 3 & 4

• 4 & 5

• 5 & 6