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

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

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

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.

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.

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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