quiz help need in 12 hrs

1) Simplify the expression. Check your answer by raising it back to the 2nd power.

14 22121x y

Math 012

Quiz 5 Page 2

2) Simplify the expression. Check your answer by raising it back to the 3nd power.

18 213 216x y

3) Simplify the expression. Check your answer by raising it back to the 4th power.

12 4 324256x y z

4) Perform the indicated operations and simplify the result.

2 80 3 5 4 80 

Math 012

Quiz 5 Page 3

5) Perform the indicated operations and simplify the result.

  3 5 2 5 5 2  

6) Perform the indicated operations and simplify the result.

  2

5 3 2

Math 012

Quiz 5 Page 4

7) Rationalize the denominator and simplify if possible:

88 11

8) Rationalize the denominator and simplify if possible:

5

2 3 7 

Math 012

Quiz 5 Page 5

9) Rationalize the denominator and simplify if possible:

4 3 2 3 3  

10) Use radical notation to rewrite the expression. Simplify if possible:

    3 2 2 381 64 

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quiz.