Rationalizing the Denominator with Conjugates

The expressions 7 - √5 and 7 + √5 are what?

• conjugates

• expressions

• radical equations

• inverse functions

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CCSS.HSN.CN.A.3

One of the steps that may be necessary to simplify the radical expression is what?

• inverse function

• radical equation

• composition of function

• rationalizing the denominator

Rationalize the following: \frac{\sqrt{2}}{\sqrt{3}+\sqrt{5}}

Tags

CCSS.HSN.RN.A.2

Tags

CCSS.HSN.RN.A.2

• A
• B
• C
• D

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CCSS.HSN.RN.A.2

Tags

CCSS.HSN.RN.A.2

The expression 5+√2 is the conjugate of

• √5-√2

• √2-5

• 2-√5

• 5-√2

Tags

CCSS.HSN.CN.A.3

Simplify the expression; be sure to rationalize the denominator

• 14√x

• (7√2x)/2

• 7x

• 14√2x

Tags

CCSS.HSN.RN.A.2

Tags

CCSS.HSN.RN.A.2

Tags

CCSS.HSN.RN.A.2