Understanding Multiplication and Division of Radicals

Understanding Multiplication and Division of Radicals

Assessment

Interactive Video

Mathematics

8th - 10th Grade

Hard

Created by

Emma Peterson

FREE Resource

The video tutorial covers the multiplication and division of radicals. It begins by explaining how to multiply radicals by multiplying the coefficients and the radicands separately, followed by simplifying the result. The tutorial then moves on to dividing radicals, emphasizing the importance of rationalizing the denominator to avoid leaving an irrational number. Finally, it discusses simplifying radicals by dividing the radicands and further simplifying the result.

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8 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in multiplying two radicals?

Add the coefficients

Multiply the coefficients

Subtract the coefficients

Divide the coefficients

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When multiplying radicals, what should you do after multiplying the coefficients?

Divide the radicands

Subtract the radicands

Multiply the radicands

Add the radicands

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the final simplified form of 18 root two?

6 root 18

18 root 2

3 root 6

9 root 3

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is it important to rationalize the denominator when dividing radicals?

To simplify the numerator

To make the expression more complex

To add more radicals to the expression

To eliminate the radical from the denominator

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result of multiplying the square root of 6 by the square root of 3?

Square root of 9

Square root of 18

Square root of 12

Square root of 15

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the context of dividing radicals, what does it mean to 'rationalize' the denominator?

To remove the radical from the denominator

To add a radical to the numerator

To multiply the denominator by a constant

To divide the numerator by a constant

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you simplify the expression when dividing the square root of 12 by the square root of 3?

Divide the radicands

Add the radicands

Subtract the radicands

Multiply by square root of 3

8.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the simplified form of the square root of 4?

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