Square Roots, Cube Roots, & Equations with Roots

y² = 64

^{Check all that are correct.}

• -8

• 8

• ±32

• 32

Tags

CCSS.8.EE.A.2

130 = n²

• n ≅ ± 11.4

• n ≅ 11.4

• n = ± 65

• n = 65

Tags

CCSS.8.EE.A.2

x² = 16

• 4

• 8

• ±8

• ±4

Tags

CCSS.8.EE.A.2

a³ = 216

• 6

• ± 6

• 108

• -6

Tags

CCSS.8.EE.A.2

Solve the following equation for n. Select all that apply:

 $n^2=144$  

• n = 12

• n = -12

• n = 72

• n = -72

Tags

CCSS.8.EE.A.2

What is the side length, s, of a square with an area of

 $100\ m^2$  ?

• s = 10

• s = 10 or -10

• s = 50

• s = 50 or -50

Tags

CCSS.8.EE.A.2

What is the side length, s, of a cube with a volume of

 $125\ in^3$  ?

• s = 11

• s =  $\pm$  11

• s = 5

• s =  $\pm$  5

Tags

CCSS.8.EE.A.2

How do you solve the equation:  $x^2\ =\ 100$  

• Take  $100^2$  

• Take  $\sqrt{100}$  

• Multiply 100 by 2 

Tags

CCSS.8.EE.A.2

 $64\ =\ a^3$  

(a)  

Tags

CCSS.8.EE.A.2

Solve x² = 4

• 16
• 16, -16
• 2
• 2, -2

Tags

CCSS.8.EE.A.2