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Name:   ____________________
Date:     ____________________
Period:  ____________________

Lesson 8
 Powers, Roots and Radicals
Problems 8-2

Directions: Please complete the problems below.  Then, check your results with those in the Answer Key 8-2. For any items you do not get correct, please review the Instruction and recalculate the problems.

Answer the following questions.

  1. Why is the square root of 14 an irrational number?

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  2. Why is an imaginary number?

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  3. What does 153 mean?

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Multiply the factors in the following:

  1. 122 = _____________________

  2. 43 = ______________________

  3. 64 = ______________________

  4. 63 = ______________________

Find all of the square roots indicated for the following terms:

  1. = _____________________

  2. = _____________________

  3. = ____________________

  4. = ____________________

Find the positive roots for the following terms:

  1. = _____________________

  2. = ____________________

  3. = ___________________

  4. = _____________________

Use Table 1 or a calculator to find the positive square roots of the following terms (to two decimal places).

  1. = _____________________

  2. = _____________________

  3. = _____________________

  4. = _____________________

Multiply as indicted:

  1. = ________________