Approx. Square and Cube Roots

 $\sqrt{8}$  

• between 1 and 2

• between 2 and 3

• between 3 and 4

• between 5 and 6

Determine between which two numbers the cube root lies:  ∛75

• 5 and 6
• 6 and 7
• 3 and 4
• 4 and 5

Determine between which two numbers the cube root lies:  ∛229

• 8 and 9
• 6 and 7
• 3 and 4
• 7 and 8

Classify the following number:  ∛22

• Rational
• Irrational

Classify the following number:  √196

• Rational
• Irrational

 $\sqrt{\left(\frac{16}{81}\right)}\ \ =\ ?$  

•  $\frac{8}{27}$  

•  $\frac{8}{9}$  

•  $\frac{4}{9}$  

•  $\frac{4}{3}$  

Which of the following is irrational?

• $\sqrt{49}$

• $\sqrt{50}$

• $\sqrt{81}$

• $\sqrt{121}$

Select the set with all perfect squares.

• -144, 9, 50, 75, 81, 100

• 9, 50, 81, 100

• 9, 50, 75, 81, 100

• 9, 81, 100

√ 36

• 4

• 6

• 9

• 12

Solve for x when x² = 144

• 4
• 11
• 12
• 14