Understanding Cube Roots and Exponents

Understanding Cube Roots and Exponents

Assessment

Interactive Video

Mathematics

7th - 10th Grade

Hard

Created by

Olivia Brooks

FREE Resource

The video tutorial explains how to work with cube roots, including simplifying expressions and multiplying cube roots. It demonstrates the process of combining cube roots with different bases under a single radical and provides a step-by-step guide to multiplying cube roots. The tutorial also explores the exponential and rational perspectives of cube roots, helping viewers understand the concept from multiple angles.

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8 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the cube root of a number represent in terms of exponents?

The number raised to the power of 3

The number raised to the power of 1/3

The number raised to the power of 1/2

The number raised to the power of 2

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why can't cube roots with different bases be combined directly?

Because they have the same exponent

Because they have different bases

Because they are both radicals

Because they are both integers

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the simplified form of the cube root of 14?

Cube root of 7

Cube root of 2

Cube root of 14

Cube root of 28

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When multiplying cube roots with the same base, what is the first step?

Multiply the bases

Divide the bases

Add the bases

Subtract the bases

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the cube root of 81 simplified to?

27 cube root of 27

9 cube root of 9

1 cube root of 1

3 cube root of 3

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How can 9 to the power of 2/3 be interpreted?

9 squared and then cube rooted

9 cubed and then squared

9 cubed and then square rooted

9 squared and then cubed

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result of taking the cube root of 81?

1

9

27

3

8.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the rational exponent form of a cube root?

Exponent of 1/2

Exponent of 3/2

Exponent of 1/3

Exponent of 2/3