Equations with Squares & Cubes

Solve for x.

x² = 64

• $x=\pm8$

• $\times=\pm32$

• $\times\equiv8$

• $\times=-8$

Tags

CCSS.8.EE.A.2

The area of a square painting is 81 cm².  What is the side length of the painting?

• 40.5 cm
• 162 cm
• 6,561 cm
• 9 cm

Tags

CCSS.8.EE.A.2

 $^3\sqrt{8}=$  

• 2

• -2

• ±2

• None

Tags

CCSS.8.EE.A.2

The number 1,000 is a...

• perfect square

• perfect cube

Tags

CCSS.6.EE.A.1

Determine which is perfect square?

• 54

• 36

• 21

• 43

Tags

CCSS.8.EE.A.2

Find the cube root(s): ∛1

• 1
• -1
• ±1
• none

Tags

CCSS.8.EE.A.2

x² = 25

• x = 5

• x = -5

• x = ±5

• x = 25

Tags

CCSS.8.EE.A.2

x² + 5 =69

• x = 8

• x = ±8

• x = -4

• x = ±4

Tags

CCSS.8.EE.A.2

2x² = 200

• x = ± 14.14

• x = ± 100

• x = ± 14.15

• x = ± 10

Tags

CCSS.8.EE.A.2

144

• Is a perfect square.
• Is not a perfect square.

Tags

CCSS.8.EE.A.2