Algebra Class: Radical Expressions
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Questions and Answers

Evaluate the radical expression: √1/16

1/4

Evaluate the radical expression: √145

12.04

Evaluate the radical expression: −√64

-8

Simplify √32

<p>4√2</p> Signup and view all the answers

Simplify √25x^8

<p>5x^4</p> Signup and view all the answers

Simplify √9x^10

<p>3x^5</p> Signup and view all the answers

Simplify (16/25)^1/2

<p>4/5</p> Signup and view all the answers

Multiply and simplify the radical expressions: (√7 + 3)(√7 + 6)

<p>25 + 9√7</p> Signup and view all the answers

Solve the following radical equation: 1 = √−7 − 2z

<p>-4</p> Signup and view all the answers

Solve the following radical equation: √4 − z = −5

<p>no solution</p> Signup and view all the answers

Study Notes

Radical Expressions and Their Evaluations

  • ( \sqrt{\frac{1}{16}} = \frac{1}{4} )
  • ( \sqrt{145} \approx 12.04 )
  • ( -\sqrt{64} = -8 )

Simplifying Radical Expressions

  • ( \sqrt{32} ) simplifies to ( 4\sqrt{2} )
  • ( \sqrt{25x^8} ) simplifies to ( 5x^4 )
  • ( \sqrt{9x^{10}} ) simplifies to ( 3x^5 )
  • ( \left(\frac{16}{25}\right)^{\frac{1}{2}} = \frac{4}{5} )

Operations with Radical Expressions

  • Multiply and simplify:
    • ( (\sqrt{7} + 3)(\sqrt{7} + 6) = 25 + 9\sqrt{7} )

Solving Radical Equations

  • For ( 1 = \sqrt{-7} - 2z ), the solution is ( z = -4 )
  • The equation ( \sqrt{4} - z = -5 ) has no solution, indicating a contradiction.

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Description

This quiz covers the evaluation, simplification, and operations involving radical expressions, along with solving radical equations. Test your knowledge on key concepts such as simplification and the properties of radicals to enhance your algebra skills.

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