Bell Ringer 1-10-12 INTERIM Review Next Interim is today after review (Standard 13-27) 1. If y + 3 = 1 , then y = 5 30 2. Simplify (-3)2 + 140 3. To make space for new clothing, JCPenny offered a 15% discount on a current stock. What was the sale price of a pair of jeans that regularly sales for $55? 4. Solve 8x + 5 = 12x – 10 5. List all the positive factors of 16. 6. Which number is greater in value? 2.5 B. 250 C. .25 D. 25,000 E. .0025 7. What is the slope of the line joining the points (6, -3) and (8, 6)

1-10-12 INTERIM Review 8. John is filing records in his office. He can stack 5 boxes on one shelf. How many shelves will he need on order to stack 352 boxes, with all of the boxes on shelves? 9. Ms. Coleman had a Christmas Party. She wanted to be sure to have enough pop for her guests. She thought she would need 3 cans of pop per guest, and she invited 30 guests. If she bought, 4 cases of pop and there are 24 can in each case, how many cans of pop did she have left over if all guests drank 3 cans as she had planned? 10. If f(x) = -3x2 + 18, then f(-3) = 11. What is the slope of the line y = x – 2? 12. Which of the following has the largest slope? A. y = 4x – 6 B. y = -2x + 8 C. 2y = 6x - 6 D. y = x + 15

1-10-12 INTERIM Review 13. When Jacqueline begins her math homework, she spends 8 minutes getting out her book, finding a pencil, looking up her assignment in her notebook and finding the correct page in her textbook. The equation t = 10p + 8 models the time t, in minutes, she budgets for a math assignment with p problems. She budgets 18 minutes per problem She budgets 10 minutes per problem. She budgets 8 minutes per problem. She budgets 10 minutes per problem for the hard problems and 8 minutes per problems for the easy problems. She budgets an 8 minute break after each problem. 14. The average temperature for each day of last week is listed below. How much does the temperature change from Day 3 to Day 4? Day 1 15 Day 2 -3 Day 3 10 Day 4 -7

15. Which graph has a negative slope? a. b. c. d.