Learn how to rationalize the denominator with a binomial and cube root of a number

Learn how to rationalize the denominator with a binomial and cube root of a number

Assessment

Interactive Video

Mathematics

11th Grade - University

Hard

Created by

Quizizz Content

FREE Resource

The video tutorial demonstrates how to simplify a rational expression by rationalizing the denominator. It begins with an introduction to the concept of using conjugates and then delves into understanding cube roots and simplifying numbers. The tutorial further explains the application of conjugates and the distributive property in expressions. Finally, it covers the difference of squares and completes the simplification process, providing a clear step-by-step guide to solving the problem.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in simplifying a rational expression by rationalizing the denominator?

Subtract the numerator from the denominator

Multiply by the conjugate

Add the numerator and denominator

Divide by the cube root

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is it important to simplify numbers before performing complex calculations?

To make the calculations easier and more manageable

To ensure the numbers are integers

To avoid using the conjugate

To make the calculations more challenging

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How can the number 16 be rewritten to simplify the cube root calculation?

As 2 times 8

As 16 times 1

As 8 times 2

As 4 times 4

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the cube root of 8?

2

4

3

8

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result of applying the difference of two squares in the simplification process?

A sum of two squares

A simplified expression with zero middle terms

A product of two squares

A difference of two cubes