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[answered] Math 012 Quiz 4 Fall, 2016 Instructor: Name________________


Can you please help with these math problems? I appreciate it


Math 012 Quiz 4

 

Fall, 2016

 

Instructor:

 

Name________________________________

 

Instructions: The quiz is worth 100 points. There are 10 problems, each worth 10 points. Your score

 

on the quiz will be converted to a percentage and posted in your assignment folder with

 

comments.

 

This quiz is open book and open notes, and you may take as long as you like on it

 

provided that you submit the quiz no later than the due date posted in our course schedule

 

of the syllabus. You may refer to your textbook, notes, and online classroom materials,

 

but you may not consult anyone.

 

You must show all of your work to receive full credit. If a problem does not seem to

 

require work, write a sentence or two to justify your answer.

 

Please type your work in your copy of the quiz, or if you prefer, create a document

 

containing your work. Scanned work is also acceptable. Be sure to include your name in

 

the document. Review instructions for submitting your quiz in the Unit Quizzes Module.

 

If you have any questions, please contact me. At the end of your quiz you must include the following dated statement with your name typed

 

in lieu of a signature. Without this signed statement you will receive a zero.

 

I have completed this quiz myself, working independently and not consulting anyone except the

 

instructor. I have neither given nor received help on this quiz.

 

Name: Date: Please remember to show all of your work.

 

1) Find the excluded values for the algebraic fraction: Math 012

 

Quiz 4

 

2) Find the excluded values for the algebraic fraction: 3) Perform the indicated operation and simplify your answer: 10n2 6n 60 3

 

8n2 4) Perform the indicated operation and simplify your answer: x2 12 x 27 5x2 45 x

 

x7

 

x 3 Page 2 Math 012

 

Quiz 4 Page 3 5) Perform the indicated operation and simplify your answer: 6) Perform the indicated operation and simplify your answer: 5 2

 

n 3 n 2 7) 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. m 4 m2 10m 24 2 2

 

m2

 

4m 2

 

m Math 012

 

Quiz 4 Page 4 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. 9) If a 9-foot tall adult elephant casts a 16-foot shadow, how long is the shadow of the 5.5-foot

 

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

 

tenth of a foot if necessary. Math 012

 

Quiz 4 Page 5 10) Ellen worked 10 more overtime hours than Andrew one week. If Ellen worked 7 overtime

 

hours for every 2 overtime hours that Andrew worked, for how many hours of overtime did each

 

person work? Round your answer to the nearest tenth of an hour if necessary. End of quiz: please remember to sign and date the statement in the box on the first page of the

 

quiz.

 


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