Simplifying Radical Expressions and Rationalizing Denominators

Simplifying Radical Expressions and Rationalizing Denominators

Assessment

Interactive Video

Mathematics

8th - 12th Grade

Hard

CCSS
HSN.CN.A.3, HSN.RN.A.2

Standards-aligned

Created by

Sophia Harris

FREE Resource

Standards-aligned

CCSS.HSN.CN.A.3
,
CCSS.HSN.RN.A.2
This video tutorial covers the topic of simplifying radical expressions, including square and cube roots. It begins with an introduction to the concept of radicals and proceeds to demonstrate various techniques for simplifying them. The tutorial also explains how to rationalize denominators and use conjugates for further simplification. Advanced methods for handling complex radical expressions are discussed, providing a comprehensive guide to mastering the simplification of radicals.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in simplifying a radical expression?

Dividing the radicands

Reducing the radicands

Multiplying the radicands

Adding the radicands

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the simplified form of the square root of 75?

15

3√5

5√3

√75

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you simplify the cube root of 16?

2√2

2√8

2√4

2√16

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the simplified form of 72x^5y^1z^4?

6x^2z^2√2

6x^2z^2√2y

6x^2z^2√2x

6x^2z^2√2xy

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the fifth root of 32?

4

2

8

16

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you rationalize the denominator of 5/√10?

Multiply by 1/√10

Multiply by 5/5

Multiply by 10/10

Multiply by √10/√10

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the simplified form of √2/√3?

√2/3

√6/√3

√6/2

√6/3

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