Name: _____________________________________ Due Date: 1- 4-15 Pd: ____ Units 1-4 Benchmark Study Guide Students use this guide to prepare for your semester exam; it will take place Jan 7-8. YOU MUST SHOW YOUR THINKING/WORK TO GET FULL CREDIT ON EACH QUESTION!! (2 PTS EACH) Write the rational number as a decimal. 1. 3 11 ̅̅̅̅ A. 0. 27 ̅̅̅̅ B. −0. 27 C. 0.311 D. −3.11 ___________________________________________________________________________________ 2. – 3 13 20 A. 0.65 B. -0.65 C. 3.65 D. -3.65 __________________________________________________________________________________ 3. 2 5 A. 0.25 B. 0.4 C. 0.8 D. 0.2 ___________________________________________________________________________________ 13 4. − 100 A. -0.13 B. 1.3 C. 0.13 D. -0.013 ___________________________________________________________________________________ Add or subtract. Write fractions in simplest form. 5. 5.73 3.56 A. 2.17 B. 9.29 C. -9.29 D. -2.17 1 6. 5 1 2 3 3 2 A. −4 B. − 3 C. 4 D. 2 3 ___________________________________________________________________________________ 2 1 7. 2 5 − 3 2 1 9 A. 1 10 B. 5 10 1 9 C. −1 10 D. −5 10 ___________________________________________________________________________________ 3 1 full. After breakfast the jug is full. Find the difference of the amounts 12 4 before breakfast and after breakfast. 8.A gallon jug of milk is A. C. 2 B. 3 1 D. 16 5 6 7 12 ___________________________________________________________________________________ 9.You buy a bag of dog food for $12.59 and a bottle of dog shampoo for $4.75. How much more did the dog food cost than the shampoo? A. $4.59 B. $17.18 C.$12.00 D. $7.84 ___________________________________________________________________________________ Multiply. Write fractions in simplest form. 2 5 1 4 10. 1 A. - ½ B. ¾ C. ½ D. – ¾ 2 11. 0.15 0.6 A. 0.09 B. -0.09 C. 0.9 D. -0.9 ___________________________________________________________________________________ 2 12. A recipe calls for 1 3 cups of sugar. If you want to triple the recipe how much sugar do you need? 2 A. 3 3 cups B. 6 cups C. 5 cups D. 5 3 cups 1 ___________________________________________________________________________________ Divide. Write fractions in simplest form. 13. 4.2 12 A. -2.85714 B. -0.35 C. 0.35 D. 2.85714 ___________________________________________________________________________________ 14. A. C. 2 8 7 21 16 147 16 B. – 147 3 3 D. – 4 4 ___________________________________________________________________________________ 15.How many 2 -ounce packages of peanuts can be made with 8 ounces of peanuts? 3 A. 5 B. 12 C. 8 D. 15 Mixed Problem Solving: 16. A 10.5-gallon aquarium is A. 7 gallons 2 full. How many more gallons of water does it take to fill the aquarium? 3 B. 3.5 gallons 3 C. 15 ¾ gallons D. 10 gallons ___________________________________________________________________________________ 17. Your bank account has a balance of $45.24. This is $51.35 more than yesterday. What was your account balance yesterday? A. $96.59 B. $6.11 C. -$96.59 D. -$6.11 ___________________________________________________________________________________ 18. It costs $2.75 to enter an arcade. Each game costs $1.25. You have $14. How many games can you play? A. 12 B. 11 C. 10 D. 9 ___________________________________________________________________________________ 19. How many 0.45-ounce packages of cinnamon can be made with 3.15 ounces of cinnamon? A. 1 ½ B. 3.6 C. 3 D. 7 ___________________________________________________________________________________ 20. On Monday Kayla ran 1 ½ miles and on Tuesday she ran 2 ¼ miles. How much further did she run on Tuesday? A. 1 ¾ B. ½ C. 3 ¾ D. ¾ 21. Solve the following equation and choose the correct solution for n. 9n + 7 = 61 22. Portia is reading a novel that has a total of 363 pages. So far, she has read 195 pages. Portia is reading at an average rate of 28 pages per hour. If she continues reading at this rate, how many more hours must she read to finish this novel? a. 6 hours b. 7 hours c. 8 hours d. 9 hours e. 10 hours 4 23. Factor out the following expression using the Greatest Common Factor: 24x –72 a. 24(x - 72) b. 12(2x – 6) c. 12(– 2x + 6) d. 9(15x –8) e. –72(24x) 24. What is the solution to the inequality shown below? –2x + 3 > 7 a. x < –5 b. x < –2 c. x > 2 d. x < 3 d. x > –2 25. Simplify the expression using the distributive property and combining like terms. –10y + 3(4y + 10x) 26. Simplify: (– 9c –12) – (2c – 4) a. –11c – 8 b. –7c – 16 c. –11c – 16 d. –7c – 8 27. The Armstrong family went to dinner, and spent “x” dollars on food and drinks. If they left a 20% tip, which of the following expressions could be used to calculate the cost of the meal including tip? I. 0.2x II. x + 0.2 a. II and IV III. x + 0.2x b. III and V c. IV and VI IV. x – 0.2x V. 1.2x d. I and II e. IV and V VI. 0.8x 28. Which expressions can be used to represent the perimeter(P) and area(A) of the rectangle below? 7 3m + 5 a. P = 20m + 24 a = 12m + 15 b. p = 6m + 24 a = 10m + 12 c. p = 3m + 12 a = 21m + 35 d. p = 6m + 24 a = 21m + 35 5 29. Brad bought a skateboard for $2 less than half its original price. If he paid $21.50, which skateboard did he buy? a. b. c. d. Skateboard Go Green Speedster Up and Down With the Flow Price ($) 45 47 43 41 Go green Speedster Up and Down With the Flow 30. Marilyn bought a dress that was 15% off the original price. If “d” represents the original cost of the dress, which expressions could be used to find the price Marilyn pays for the dress after the discount? I. d – 15 a. II and IV II. d – 0.15d b. I and V III. 1.15d IV. 0.85d c. III and VI V. 1 – 0.85d VI. 0.85d + 1 d. II and III e. I and V 31. The perimeter of the equilateral (all sides are the same length) triangle EFG can be represented by the expression 15x – 3. Which expression could be used to represent each side length of the triangle? a. 3x – 1 b. 5x + 1 c. 2x + 5 d. 5x – 1 32. Which inequality has the solution graphed on the number-­­line below: a. –4x – 5 ≤ –1 b. 3x + 7 ≥ 4 c. –5x + 4 ≥ 9 d. 6x – 10 ≤–4 6 33. The perimeter of a rectangle is 60cm. The length of the rectangle is 16 cm. Which equation and solution would be used to calculate the width of the rectangle? a. 2w + 32 = 60 ; w = 14 b. 32w + 16 = 60; w = 1.375 c. 32 – 2w = 60; w = 24 d. 2w + 16 = 60; w = 22 34. As sales employee, you are paid $75.00 per week, plus an additional $5.00 per sale. This week you have set a goal to make at least $130.00. Choose an inequality that represents the number of sales you need to make, and describes the solution set. a. 75x + 5 ≥ 130; you must make 11 or more sales to reach your goal. b. 5x + 75 ≥ 130; you must make 11 or more sales to reach your goal. c. 5x + 75 ≤ 130; you must make 11 or less sales to reach your goal. d. 75x – 130 ≤ 5; You must make exactly 11 sales to reach your goal. 35. Find the solution to the equation: ⅗x – 12 = –3 36. A local band is asked to play at the town’s Halloween festival. They will earn $100 plus an additional 15% of ticket sales. Which of the following equations could be used to calculate “e”; the bands total earnings if “t” represents the number of tickets sold? a. e = 100t +15 b. e = 100 + 15t c. e = 100 + 0.15t d. t = 100e + 0.15 7 37. Four women are training for a marathon. Each expression below represents the total distance that each woman ran one day. Let “d” represent their total distance, and “m” represent the length of a marathon. Which women ran the farthest? a. Molly: d = 0.65m b. Pamela: d = m – 0.2m c. Angie: d = 0.7m d. Lindsay: d = m – 0.36m 38. A bench is being centered on a wall. The wall is 2.7 m long and the bench is 1.8 m wide. Write an equation to match the situation and find how much of the wall should be on each side of the bench? Draw a picture to help you. a. 2.7 - 1.8x = 2; 0.5 m on each side b. 2x + 1.8 = 2.7; 0.45 m on each side c. 2x - 1.8 = 2.7; 1.75 m on each side d. 2.7 - 2x = 1.8; 0.55 m on each side ­ 8