0.5 - Evaluating Square Roots

The area of a square is 36 cm².  What is the length of one side?

• 6 cm
• 24 cm
• 9 cm
• 9 cm

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

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.

x² = 121
What does x equal?

• 11²
• 11 and -11
• 20 and 11
• 12 and 1

Tags

CCSS.8.EE.A.2

All the following are perfect squares except for which one?

• 121

• 64

• 324

• 200

What is the inverse operation of square rooting?

• Cube Roots

• Squaring

• Multiplication

• Absolute Value

Simplify the expression  $3\sqrt{144}-6\left(8\right)$  

• 12

• -12

• 240

• -33

Simplify the expression  $\sqrt{\frac{27}{3}}+\left(-6\right)\div3$  

• 5

• 11

• 1

• 7

Simplify the expression  $4^2-5^2+\left(-8\right)^2$  

• 105

• 55

• -73

• 53

Simplify  $\pm\sqrt{289}$  

•  $\pm16$  

•  $\pm18$  

•  $\pm17$  

•  $\pm19$  

What is the value of x?
 $\frac{x^2}{4}-5=11$  

• 8

• 18

• 2

• 64