Math 009 Quiz 2 Instructions: The quiz is worth 50 points. There are 10 problems, each worth 5 points. Your score on the quiz will be converted to a percentage and 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 should show all of your work to receive full credit. If you do not show work, you may earn only partial or no credit. 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 Quizzes Module. Please remember to show ALL of your work on every problem. Show the complete expression or equation in every step; write each new step beneath the previous step; make sure that each step follows algebraically from the previous step; and remember that equal signs should only connect equal numbers or expressions. Math 009 Quiz 2 Page 2 1) Simplify each expression. First use the Distributive Property to clear parentheses and then combine like terms. a) 5(2x - 3) + 4x b) 3(7 - 9y) -5y c) 2b + 8(b - 6) d) z -2(z + 10) e) 2(3g -1) - (7g - 8) 2) Perform the indicated operations, showing all work. Write the answer in lowest terms. 2 3 4 1 15 9 4 3) Evaluate the following expression if answer in lowest terms. 2x2 y 4 x 7 and 5 y 14 . Show all work and write the Math 009 Quiz 2 Page 3 4) Solve the equation. Show all work and show the complete check of your answer. n + 30 = -4(3n - 1) 5) Solve the equation. Show all work and show the complete check of your answer. 2 6 x 5 3 5 1 3 x 10 6) Solve the equation using the method discussed in the PA textbook, pages 329-332: clear fractions in the first step by multiplying by the LCD. Show all work and show the complete check of your answer. x x 3 10 4 7) Solve the equation using the method discussed in the PA textbook, pages 329-332: clear fractions in the first step by multiplying by the LCD. Show all work and show the complete check of your answer. 5 1 1 x x 6 3 2 Math 009 Quiz 2 Page 4 2 of the freshmen decide to major in math. If there are 2000 25 freshman at that university, how many have decided to major in math? Show all work, please, and include units in your answer. 8) At a certain university, 9) Alyson is creating a vegetable garden in her back yard. She has set aside a rectangular space 2 1 that is 4 feet wide and 8 feet long. Find the perimeter of the garden. Show all work 3 5 and write a complete answer with appropriate units. 10) An elementary school buys tickets for a field trip to the zoo. The number of children going on the field trip is 4 times the number of adults. Tickets for children cost $7 each and tickets for adults cost $9 each. The total cost of all of the tickets is $2752, how many tickets of each type did the school purchase? (Round to the nearest whole number). Please set up and solve this problem following the steps below: a) b) c) d) Define the unknown quantities in terms of one variable. Translate the question into an equation. Solve the equation, showing all work. Write a complete answer to the question asked, including appropriate units. 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