Learn how to rationalize the denominator with a rational exponent

Learn how to rationalize the denominator with a rational exponent

Assessment

Interactive Video

Mathematics

11th Grade - University

Hard

Created by

Quizizz Content

FREE Resource

The video tutorial explains the concept of expressing Z to the 1/2 as a radical form, discusses rational fractions, and introduces the use of conjugates to simplify expressions. It covers the application of the difference of squares and distributive property, leading to the simplification of expressions with rational exponents. The tutorial concludes with achieving a simplified version of the expression, emphasizing the importance of understanding conjugates and exponents in mathematical operations.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the equivalent radical form of Z to the 1/2 power?

Z squared

The square root of Z

Z to the power of 3

The cube root of Z

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why do we multiply by the conjugate when rationalizing a denominator?

To simplify the expression

To add more terms to the expression

To eliminate the numerator

To remove the radical from the denominator

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the conjugate of Z to the 1/2 minus 1?

Z to the 1/2 minus 1

Z to the 1/2 plus 1

Z to the 1/2 times 2

Z to the 1/2 divided by 2

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What mathematical property is used when multiplying by the conjugate?

Identity property

Distributive property

Commutative property

Associative property

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

After applying the conjugate and simplifying, what is the final form of the expression?

Z squared minus one

Z to the 1/2 plus 1

Z minus 1

Z to the first power minus one