Math 009 Quiz 2 Instructor: Irene Doo Your Name________________________________ Instructions: The quiz is worth 20 points. There are 5 problems, each worth 4 points. Your score on the quiz will be posted in your assignment folder with comments. This quiz allows 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 may use a calculator while working on the quiz. 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. You may type your work directly in the space provided for each question in the quiz. You may also hand-write your work directly in the space provided for each question in the quiz and scan the pages as a PDF or JPG file. Your quiz MUST be submitted using this quiz document. Other formats or files WILL NOT BE ACCEPTED. Be sure to include your name in the document. Review instructions for submitting your quiz in LEO. If you have any questions, please contact me by e-mail (irene.doo@faculty.umuc.edu). When you have completed your quiz, you must sign (or type) your name below the following honor statement. 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 on every problem. Read the basic rules for showing work below BEFORE you start working on the quiz. a) Each step should show the complete expression or equation rather than a piece of it. b) Each new step should follow logically from the previous step, following rules of algebra. c) Each new step should be beneath the previous step. d) The equal sign, =, should only connect equal numbers or expressions. Our textbook is full of good models of work shown correctly. If you have questions about showing work, please ask. Math 009 Quiz 2 Page 2 Did you read the rules for showing work on page 1 of the quiz? If not, please go back to page 1 now and read them. If you do not show work correctly, you will not earn full credit. 1) Solve for x. Show all work and show the complete check of your answer. 3 x2 ( x +3 )=9 2) The three sides of a triangle are consecutive even integers. If the perimeter of the triangle is 72 inches, find the lengths of the sides of the triangle. Show your work for each of the following steps for word problem solutions: Set up a variable dictionary. Set up an equation. Solve the equation. Answer the question with a sentence. Look back. Math 009 Quiz 2 3) 2 3 , y= and 3 4 Show all work and write the answer in lowest terms. Evaluate the following expression if Page 3 z= 1 . 2 xyz 2 4) Simplify the expression. Show all work and write the answer in lowest terms. 2 1 3 4 5 1 + 8 2 5) Solve for x. Show all work. You do not need to show the check of your answer. 1 2 1 1 x = x 2 3 3 4 End of quiz: please do not forget to write and sign (or type) the required statement explained in the box on page 1 of the quiz