flash quiz #007

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Please remember to show all of your work.

1) Find the excluded values for the algebraic fraction:

2) Find the excluded values for the algebraic fraction:

3) Simplify the following expression. Show all steps of factoring.

4) Simplify the following expression. Show all steps of factoring.

5) Perform the indicated operations and simplify your answer if possible.

6) Solve the equation by clearing fractions first. Show all steps of factoring. Then show the complete check of your solution(s). If an answer is an excluded value, please state that on your paper.

7) Solve the equation by clearing fractions first. Show all steps of factoring. Then show the complete check of your solution(s). If an answer is an excluded value, please state that on your paper.

8) Madeline worked 15 more hours than Jacob one week. If Madeline worked 17 hours for every 12 hours that Jacob worked, how many hours did each person work? Set up and solve an equation involving algebraic fractions to answer this question, and round your answers to the nearest tenth of an hour if necessary.

22

201251712

64

xxxx

x

+--

¸

-

34

321

x

xx

+

-+

2

312195

34

712

x

xx

xx

+

=-

++

++

2

14

1

4

4

x

xx

=+

-

-

73

49

x

x

+

-

2

6

36

x

x

+

-

2

232456

2149

10133

nn

n

nn

+-

×

-

+-