2.5 Perfect Square and Cubes

Determine which number is perfect square?

• 54

• 36

• 21

• 43

 $\sqrt{144}$  

• 11

• 10

• 12

• 14

 $\sqrt{5329}+21$  

• 5850

• 94

• 5350

• 2685.5

 $\sqrt{529}$  

• 43

• 28

• 15

• 23

Tags

CCSS.8.EE.A.2

 $\sqrt{\frac{25}{16}}$  

•   $\frac{5}{4}$  

•  $\frac{25}{16}$  
  

•  $\frac{625}{256}$  
  

 $What\ is\ the\ cubed\ root\ of\ 216?$  

• 8

• 9

• 6

• 3

 $What\ is\ the\ cubed\ root\ of\ 0.027$  

• 81

• 0.9834

• -0.3

• 0.3

 $-\sqrt{144}$  

• 12

• -12

• -72

• none of the above

 $\sqrt{-169}$  

• 13

• -13

• 84.5

• none of the above

The area of a square painting is 81  $cm^2$  . What is the length of one side?

• 9 cm

• -9 cm

• 40.5 cm

• -40.5 cm