Rationalize the denominator with the cube root of an expression

Rationalize the denominator with the cube root of an expression

Assessment

Interactive Video

Mathematics

11th Grade - University

Hard

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Quizizz Content

FREE Resource

The video tutorial demonstrates how to simplify a monomial rational radical expression by rationalizing the denominator. It explains the difference between square roots and cube roots, and how to handle them when rationalizing. The process involves multiplying the expression to eliminate the cube root in the denominator, ensuring the same operation is applied to both the numerator and the denominator. The tutorial concludes with a simplified expression, highlighting the importance of understanding cube roots in rationalizing denominators.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result of multiplying the square root of X by itself?

X

X^2

X^3

2X

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When rationalizing the denominator with a cube root, what should you multiply the cube root of X by?

Cube root of X^4

Cube root of X^3

Cube root of X^2

Cube root of X

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is it important to perform the same operation on both the numerator and the denominator when rationalizing?

To simplify only the numerator

To change the value of the expression

To make the expression more complex

To ensure the expression remains balanced

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the cube root of 125?

5

10

25

15

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the final simplified form of the expression after rationalizing the denominator?

Cube root of 150 X^2 y^2 / 125 Y

Cube root of 150 X^2 y^2 / 5 Y

Cube root of 150 X^2 y^2 / 125

Cube root of 150 X^2 y^2 / 25 Y