Solve Equations with Squares and Cubes

Solve for x.  
x³ = 1000

• x = 8
• x = 5
• x = 10
• x = 20

Tags

CCSS.8.EE.A.2

Solve for x.

x³ = -8

• x = -24

• x = -2

• x = -2 ⅔

• x = -4

Tags

CCSS.8.EE.A.2

Solve for x.  
x² = 64

• x = 8
• x = 32
• x = 4
• x = 128

Tags

CCSS.8.EE.A.2

Solve for x.  
x² = 0.81

• x = 9
• x = 0.9
• x = 0.009
• x = 0.405

Tags

CCSS.8.EE.A.2

A cube with an edge of length x has a volume of 125 cm³.  What is the length of one edge (x)?

• 25 cm
• 15 cm
• 5 cm
• 12 cm

Tags

CCSS.8.EE.A.2

Brent is making a square garden in his yard.  He plans on using 100 yd² of his backyard for the garden.  What is the length of one side of the garden?

• 5 yds
• 10 yds
• 25 yds
• 50 yds

Tags

CCSS.8.EE.A.2

What does the side length 𝑠 of a cubic shipping box need to be to contain 729 in³ of sand?

• 𝑠 = 9 in
• 𝑠 = 8 in
• s = 10 in
• 𝑠 = 7 in

Tags

CCSS.8.EE.A.2

• 4 seconds
• 2 seconds
• 16 seconds
• 8 seconds

Tags

CCSS.8.EE.A.2

Yesterday there where b milligrams of bacteria in a Petri dish.  Today there are b² milligrams of bacteria in the same Petri dish. If there are 400 milligrams of bacteria today, how many milligrams of bacteria where there yesterday?

• 20 milligrams
• 200 milligrams
• 1,600 milligrams
• 160,000 milligrams

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