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1. Flashcards

2. Wednesday, April 16 Chapter 8 Review

3. Chapter 8 Review 1. The table shows Molly and Myles’s ages. Which expression best represents Myles’s age in terms of Molly’s age? A. y + 3 B. 3x C. x + 3 D. 3y

4. Chapter 8 Review 1. The table shows Molly and Myles’s ages. Which expression best represents Myles’s age in terms of Molly’s age? A. y + 3 B. 3x C. x + 3 D. 3y Answer: C

5. Chapter 8 Review 2. The cost of renting a speed boat is \$25 plus an additional fee of \$12 for each hour the boat is rented. Which equation can be used to find c, the cost for renting the boat for h hours? F. c = 12h + 25 G. c = 25h + 12 H. c = 12(h + 25) I. c = 25(h + 12)

6. Chapter 8 Review 2. The cost of renting a speed boat is \$25 plus an additional fee of \$12 for each hour the boat is rented. Which equation can be used to find c, the cost for renting the boat for h hours? F. c = 12h + 25 G. c = 25h + 12 H. c = 12(h + 25) I. c = 25(h + 12) c = \$12 · hrs + \$25 c = 12h + 25 Answer: F

7. Chapter 8 Review 3. GRIDDED RESPONSE The Music Shop records the number of CDs sold for 5 months. What fraction of CDs were sold in April? Write the fraction in simplest form.

8. Chapter 8 Review 3. GRIDDED RESPONSE The Music Shop records the number of CDs sold for 5 months. What fraction of CDs were sold in April? Write the fraction in simplest form. 110 April22 335 Total = 67

9. Chapter 8 Review 4. Which point on the grid below corresponds to the ordered pair ? A. Point W B. Point X C. Point Y D. Point Z

10. Chapter 8 Review 4. Which point on the grid below corresponds to the ordered pair ? A. Point W B. Point X C. Point Y D. Point Z Point X Answer: B

11. Chapter 8 Review 5. GRIDDED RESPONSE The Geography Club is selling wrapping paper for a fundraiser. They ordered 16 cases. If each student in the club takes of a case, how many students are in the club?

12. Chapter 8 Review 5. GRIDDED RESPONSE The Geography Club is selling wrapping paper for a fundraiser. They ordered 16 cases. If each student in the club takes of a case, how many students are in the club? 16 ÷ = 24

13. Chapter 8 Review 6. Mrs. Washington has 25 students in her class. If each student needs 4 file cards, which equation can be used to find s, the total number of file cards? F. s = 25 ÷ 4 G. s = 25 × 4 H. s = 25 - 4 I. s = 25 + 4

14. Chapter 8 Review 6. Mrs. Washington has 25 students in her class. If each student needs 4 file cards, which equation can be used to find s, the total number of file cards? F. s = 25 ÷ 4 G. s = 25 × 4 H. s = 25 - 4 I. s = 25 + 4 s = 25 students x 4 file cards s = 25 x 4 Answer: G

15. Chapter 8 Review 7. The formula V = Bhcan be used to find the volume of a pyramid. Which of the following best represents ? A. 0.33 B. 0.67 C. 3 D. 3.3

16. Chapter 8 Review 7. The formula V = Bhcan be used to find the volume of a pyramid. Which of the following best represents ? A. 0.33 B. 0.67 C. 3 D. 3.3 = 0.33 Answer: A

17. Chapter 8 Review 8.SHORT RESPONSE There are 16 cars and 64 passengers scheduled to go to a concert. Write a ratio in simplest form that compares the number of passengers to the number of cars.

18. Chapter 8 Review 8.SHORT RESPONSE There are 16 cars and 64 passengers scheduled to go to a concert. Write a ratio in simplest form that compares the number of passengers to the number of cars. =

19. Chapter 8 Review 9. Mariel spends \$0.75 every time she plays her favorite video game. She has \$6.75 to spend. Which inequality shows how many times Mariel can play the video game? F. 0.75x < 6.75 G. 0.75x ≤ 6.75 H. 0.75x > 6.75 I. 0.75x ≥ 6.75

20. Chapter 8 Review 9. Mariel spends \$0.75 every time she plays her favorite video game. She has \$6.75 to spend. Which inequality shows how many times Mariel can play the video game? F. 0.75x < 6.75 G. 0.75x ≤ 6.75 H. 0.75x > 6.75 I. 0.75x ≥ 6.75 She can spend up to and including \$6.75. 0.75x ≤ 6.75 Answer: G

21. Chapter 8 Review 10. SHORT RESPONSE Jacob multiplied 30 by 0.25 and got 7.5. Zane said that it was wrong because when you multiply two numbers, the product is always greater than both of the numbers. Explain who is correct.

22. Chapter 8 Review 10. SHORT RESPONSE Jacob multiplied 30 by 0.25 and got 7.5. Zane said that it was wrong because when you multiply two numbers, the product is always greater than both of the numbers. Explain who is correct. Jacob. Multiplying by a decimal less than one is the same as taking a portion of the whole number.

23. Chapter 8 Review 11. Which of the following ordered pairs is located inside the graph of the square? A. (4, 0) B. (1, 6) C. (2, 2) D. (4, 5)

24. Chapter 8 Review 11. Which of the following ordered pairs is located inside the graph of the square? A. (4, 0) B. (1, 6) C. (2, 2) D. (4, 5) (4,5) Answer: D

25. Chapter 8 Review 12. SHORT RESPONSE The table shows J.T.’s training schedule for a marathon. If the pattern continues, how many minutes will he run on Day 8?

26. Chapter 8 Review 12. SHORT RESPONSE The table shows J.T.’s training schedule for a marathon. If the pattern continues, how many minutes will he run on Day 8? Day x 2 + 18 = minutes 8 x 2 + 18 = 34 minutes

27. Chapter 8 Review 13. EXTENDED RESPONSE The graph shows the cost of renting a car from Speedy Rental for various miles driven Part A Make a function table for the graph. Part B Write a function rule for the data. Part C What is the cost in dollars of renting the car and driving 400 miles? Part D Describe the relationship.

28. Chapter 8 Review 13. EXTENDED RESPONSE The graph shows the cost of renting a car from Speedy Rental for various miles driven Part A Make a function table for the graph.

29. Chapter 8 Review 13. EXTENDED RESPONSE The graph shows the cost of renting a car from Speedy Rental for various miles driven Part B Write a function rule for the data. (x ÷ 10) + 25, or + 25

30. Chapter 8 Review 13. EXTENDED RESPONSE The graph shows the cost of renting a car from Speedy Rental for various miles driven Part C What is the cost in dollars of renting the car and driving 400 miles? (400 ÷ 10) + 25 40 + 25 \$65

31. Chapter 8 Review 13. EXTENDED RESPONSE The graph shows the cost of renting a car from Speedy Rental for various miles driven Part D Describe the relationship. After an initial charge of \$25, the cost increases \$10 for every 100 miles (or \$.10 for every mile).

32. Blizzard Bag #3

33. Blizzard Bag #3 8x > 16 8x > 16 8 8 x > 2

34. Blizzard Bag #3 8x > 16 8x > 16 8 8 x > 2 Reminders- The arrow is pointed the same way as the less or greater than sign. < and > is an open dot < and > is a closed dot

35. Chapter 8 Review Agenda Notes Homework– Homework Practice OAA – CH8a Due Thursday, April 17