Understanding Cubes and Cube Roots

What does it mean to cube a number?

• Finding the area of a square with that side length

• Finding the volume of a cube with that side length

• Multiplying the number by two

• Dividing the number by three

If a cube has a volume of 8, what is the length of one side?

• 1

• 3

• 4

• 2

What is the cube root of 27?

• 5

• 2

• 3

• 4

Which operations are considered inverse operations?

• Addition and subtraction

• All of the above

• Multiplication and division

• Cubing and cube rooting

What is the result of cubing the number 4?

• 16

• 32

• 64

• 128

If x cubed equals 64, what is the value of x?

• 3

• 2

• 5

• 4

Why doesn't x equal negative 4 work as a solution for x cubed equals 64?

• Because negative 4 cubed equals 128

• Because negative 4 cubed equals negative 64

• Because negative 4 cubed equals positive 64

• Because negative 4 cubed equals zero

What is the cube of negative 10?

• 1000

• -1000

• -100

• 100

What is the cube root of negative 1000?

• 100

• -10

• 10

• -100

How do you solve the equation y cubed equals negative 1000?

• By adding 1000 to both sides

• By subtracting 1000 from both sides

• By taking the cube root of both sides

• By squaring both sides