Algebra homework
Math 012
Quiz 4 Page 6
Math 012 Quiz 4
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:
Reduce rational expressions by dividing out common factors.
3) Perform the indicated operation and simplify your answer:
4) Perform the indicated operation and simplify your answer:
Multiply and divide rational expressions.
5) Perform the indicated operation and simplify your answer:
6) Perform the indicated operation and simplify your answer:
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.
(Solve rational equations by identifying and multiplying by the least common denominator.),
8) Solve the equation and show the check of your solution(s). If an answer is an excluded value, please state that on on your paper. Use the method discussed in Section 7.7 of our text, clearing fractions from the equation first.
(Solve rational equations by identifying and multiplying by the least common denominator.),
9) If a 9-foot tall adult elephant casts an 18-foot shadow, how long is the shadow of the 12-foot zookeeper? Use a proportion to set up and solve an equation. Round your answer to the nearest tenth of a foot if necessary.
Solve proportions using the cross product and use propor- tions to solve application problems
10) Ellen worked 12 more overtime hours than Andrew one week. If Ellen worked 8 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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