1 Math 009 Quiz 4 Topics from Week 5 Dr. Cheryl Cleaves Spring 2017 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 User Progress 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 or any resource that works the problem for you. You should show all of your work to receive full credit. If you do not show work, you may earn only partial or no credit at the discretion of the professor. 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. You may submit a draft of your quiz by email to your instructor by midnight Wednesday before the quiz is due on Sunday. Submit your completed quiz in your Assignment Folder. If you have any questions, please contact me by e-mail (cheryl.cleaves@faculty.umuc.edu). 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 on this quiz. I have received no help from any online source or any person except the teacher on this quiz. ______________________________Signature (may be typed) _______________ Name: Date: Please remember to show ALL of your work on every problem. 1. Given the equation below, find four ordered pair solutions by completing the table, showing all work in the space below. Then use the ordered pairs to graph the equation. You may use the grid below or attach your own. 2 Show work below: x y 0 2 0 -3 2. Given the equation below, find four ordered pair solutions by completing the table, showing all 3 work in the space below. Then use the ordered pairs to graph the equation. You may use the grid below or attach your own. Show work below: x y 0 6 0 -6 3. Solve the inequality. Sketch the solution on a number line, then use set-builder and interval notation to describe your solution. 4 Number line: Set-builder notation: Interval notation 4. Solve the inequality. Sketch the solution on a number line, then use set-builder and interval notation to describe your solution. Number line: Set-builder notation: Interval notation 5. Solve the inequality. Sketch the solution on a number line, then use set-builder and interval notation to describe your solution. Number line: Set-builder notation: Interval notation: 6. Solve the inequality. Sketch the solution on a number line, then use set-builder and interval notation to describe your solution. 5 Number line: Set-builder notation: Interval notation 7. Solve the inequality. Sketch the solution on a number line, then use set-builder and interval notation to describe your solution. Number line: Set-builder notation: Interval notation: 8. The three sides of a triangle are consecutive integers. If the perimeter (sum of the three sides) of the triangle is 261 meters, find the length of each side of the triangle. (Define your unknowns, set up and solve an equation to answer this question). Your answers must include the unit of measure. 9. Melissa is planning to invest a total of $17,000 in two accounts. If she invests $10,000 in a CD paying 3.2% annual simple interest, at what rate does the remainder of her money need to be invested so that the two investments together yield at least $740 in yearly simple 6 interest? (Define your unknowns, set up and solve an inequality to answer this question). 10. A store advertises that you can take 20% off the purchase of any item in the store. If you pay $73.60 (disregarding tax) on an item, what was the original price? (Define your unknowns, set up and solve an equation to answer this question)