Conjugate to simplify radical

Simplify the expression:

• 2xy∜2y²
• No Real Roots
• 4x²y³ ∜2
• 8x⁴y⁴ ∜2y²

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CCSS.HSN.RN.A.2

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CCSS.HSN.RN.A.2

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CCSS.HSN.RN.A.2

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CCSS.HSN.RN.A.2

Divide and simplify.

• 4x√x
• 3x²/x³√36
• 2x
• 4x²

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CCSS.HSN.RN.A.2

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CCSS.HSN.RN.A.2

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CCSS.HSN.CN.A.3

If you square both sides of a radical equation and obtain a solution that does not satisfy the original equation, you have found what?

• nth root
• extraneous solution
• radical equation 
• identity function

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CCSS.HSA.REI.A.2

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

• conjugates
• expressions
• radical equations
• inverse functions

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CCSS.HSN.CN.A.3