quiz help need in 30 min

Please remember to show all of your work.

1) Find the excluded values for the algebraic fraction:

2 6 3 5 x x  

2) Find the excluded values for the algebraic fraction:

2 20 5

x x

x   

3) Perform the indicated operation and simplify your answer:

2

2 14 9 60

312 x x x



Math 012

Quiz 4 Page 2

Math 012

Quiz 4 Page 3

4) Perform the indicated operation and simplify your answer:

2 29 14 213

2 9 x xx x

x x     

5) Perform the indicated operation and simplify your answer:

2 5

3 1 5x x 

 

6) Perform the indicated operation and simplify your answer:

5 3

2 3m m 

 

Math 012

Quiz 4 Page 4

7) Solve the equation and show the check of your solution(s). If an answer is an excluded

value, please state than on your paper. Use the method discussed in Section 7.7 of our

text, clearing fractions from the equation first.

2

2 2 2 5 12 35 2

5 m m m m m m    

8) Solve the equation and show the check of your solution(s). If an answer is an excluded

value, please state that on your paper. Use the method discussed in Section 7.7 of our

text, clearing fractions from the equation first.

2

5 30 4 56 11 30

x x xx x x

    

Math 012

Quiz 4 Page 5

9) If a 7-foot tall adult elephant casts an 21-foot shadow, how long is the shadow of the 6-

foot zookeeper? Use a proportion to set up and solve an equation. Round your answer to

the nearest tenth of a foot if necessary. Answer must include unit of measure.

10) Crystal worked 10 more overtime hours than Justin one week. If Crystal worked 6

overtime hours for every 4 overtime hours that Justin worked, for how many hours of

overtime did each person work? Round your answer to the nearest tenth of an hour if

necessary. Answer must include unit of measure.

End of quiz: please remember to sign and date the statement in the box on the first page of the

quiz.