3.1 Perfect Squares & Cubes

Multiple Choice

Why do we call the second power of a number a 'square'?

• Because the result forms a square shape when arranged visually

• Because it is always an even number

• Because it is used only in geometry

• Because it is the same as cubing a number

Multiple Choice

In the expression 2√16 = 4, what is the name of the number under the radical sign?

• Radicand

• Index

• Root

• Exponent

Math Response

What is the $$\sqrt[]{121}$$

Type answer here

Correct Answer: 11

Deg^°

Rad

Math Response

What is the $$\sqrt[]{40}$$ rounded to the nearest tenth?

Type answer here

Correct Answer: 6.3

Deg^°

Rad

Math Response

What is the $$\sqrt[3]{64}$$

Type answer here

Correct Answer: 4

Deg^°

Rad

Multiple Select

Which of the following are perfect squares?

• 16

• 27

• 25

• 36

Open Ended

Explain why we call certain numbers 'perfect squares' and 'perfect cubes'.