1. QA Review : Quarterly Assessment 1

2. Which property is illustrated below? 1.9 + ( 4 + 5) = (9 + 4) + 5 2.23 + 45 = 45 + 23 3.4 + (2 + 3) = 4 + ( 3 +2) What is the reciprocal of ____? a) ¾ = b) – ½ = c) 5 ¾ = QA Review # 1

3. 1.Jack and Jill plan to share the cost of buying a car that cost $3000. If Jill agrees to pay $500 more than Jack, what is the amount that Jack will pay? 2.Give me 2 example of associative property of addition. 3.Give me 2 example of commutative property of addition. 4.Give me 2 example of Identity property of Multiplication. QA Review # 2

4. 1) Jack’s baseball team won 5 more games than Bob’s. If Bob’s team won between 9 and 13 games, what can you conclude about the number of games won by Jack’s team? a) It won between 4 and 8 b) It won between 9 and 18 c) It won between 14 and18 d) It won between 14 and 15 2) If w and z are opposites, which of the following relationships is true? a) w = z b) w + z = 1c) w + z = 0 d) wz = 1 QA Review # 3

5. 1.8x + 6 = 54 2.3(2x – 4) = 48 3.9m + 2m = 55 What is the reciprocal of ….? 4. -5 ¾ 5. 6. 6 x y+ 2x X – 3y QA Review # 4

6. 1) 1) Which of the following equations is equivalent to 5(4x – 8) =30? a)20x – 3 = 30 b) 20x – 13 = 30 c) 20x – 35 = 30 d) 20x – 40 = 30 2) 2) Solve –6m + 11m = 80. a)15 b) 16c) 17d) -16 3) 3) Which of the following equations is equivalent to 2(6m + 4) = 10m – m? a)12m + 4 = 9mb) 12m + 8 = 9m c) 12m + 4 = 9d) 12m + 8 = 9 QA Review # 5

7. 1) Which of the following statements is never true? a)|-3x| = 3|x|b) -3|x| = |3x| c)|-3x| = |3x|d) |-3x| = |-3||x| 2) Which value of x is a counterexample to the conditional statement below? a) 9b) 81 c) -9 d) -81 If x 2 = 81, then x = 9 QA Review # 6

8. 1)Which relation below is a function? a) b) c) d) 2) Graph the following… a)y = 2b) y = -3 c) y = 4d) y = 1 e) x = 1f) x = -2g) x = 3h) x = 2XY 03 11 20 14XY 0-3 15 26 17XY 08 16 24 02XY 01 12 25 310 QA Review # 7

10. 1)4x – 2(x + 3) = 30 2)2x – 2(-2x + 5) = 20 3)5x – (-2x – 5) = 40 4)Which equation is equivalent to –9(x – 5) = 12x? a)-9x + 45 = 12xb)-9x + 5 = 12x c) -9x – 45 = 12xd) -9x – 5 = 12x QA Review # 8

11. 1)Which set is the domain and range of the relation graphed above? QA Review # 9

12. Does the graph below represent a function? QA Review # 10 No, it is not a function because a vertical line intersects the graph twice.

14. 1) Which ordered pair represents the x-intercept of the graph of y= ½ x + 5? a)(5,0) b) (-5,0)c) (10,0)d) (-10,0) 2) Which of the following points lies on the graph of the equation 2x−6y = 24? a) (3, 4) b) (12,0 ) c) (0,12)d) (4,3) QA Review # 11

15. 1) The length of a rectangle is Four times its width. The perimeter is 140 feet. What is the width of the rectangle in feet? 2) The length of a rectangle is three times its width. The perimeter is 176 feet. What is the width of the rectangle in feet? 3) The length of a rectangle is Four times its width. The perimeter is 750 feet. What is the width of the rectangle in feet? QA Review # 12

16. The installation cost and monthly monitoring fee of a security system are listed below for two companies. Ace Systems charges $300 for installation and $200 per month for monitoring the system. Zero Entry charges $530 for installation and $180 per month for monitoring the system. Write a variable expression for the total cost of a security system installed and monitored by Ace Systems. 1.Write a variable expression for the total cost of a security system installed and monitored by Zero Entry. Define the variable. Ace Systems: Zero Entry: QA Review # 13

17. 1.Mrs. Clark will sign a contract to have a security system installed and monitored for 12 months. Calculate the total cost each company will charge for this service. Show all your work. Ace Systems: Zero Entry: Ace Systems charges $300 for installation and $200 per month for monitoring the system. Zero Entry charges $530 for installation and $180 per month for monitoring the system. QA Review # 14

18. 1.If Mrs. Clark signs a contract to have a security system installed and monitored for 18 months, which company has a lower total cost? Provide an explanation or show all your work. Ace Systems charges $300 for installation and $200 per month for monitoring the system. Zero Entry charges $530 for installation and $180 per month for monitoring the system. QA Review # 15

19. Bell Work Which property is illustrated below? 1.9 x ( 6 x 15) = 9 x (15 x 6) 2.2 x 45 = 45 x 2 3.(14 + 2) + 3 = 14 + ( 2 +3) What is the reciprocal of ____? a) 5¾ = b) – 2 = c) ¼ =

20. Bell Work 1.Jay and Roy plan to share the cost of buying a flat screen TV that cost $4500. If Roy agrees to pay $800 more than Jay, what is the amount that Jay will pay? 2.Give me 2 example of associative property of multiplication. 3.Give me 2 example of commutative property of multiplication with parenthesis. 4.Give me 2 example of Identity property of multiplication.

21. Bell Work 1) 1) Which of the following equations is equivalent to 6(4x – 8) =30? a)24x – 2 = 30 b) 24x – 14 = 30 c) 24x – 48 = 30 d) 24x – 42 = 30 2) 2) Solve –8m + 15m = 112. a)15 b) 16c) 17d) -16 3) 3) Which of the following equations is equivalent to 2(8m + 7) = 10m – m? a)10m + 14 = 9mb) 16m + 9 = 9m c) 16m + 14 = 9md) 16m + 14 = 9

22. Bell Work 1) Jack’s baseball team won 7 more games than Bob’s. If Bob’s team won between 9 and 13 games, what can you conclude about the number of games won by Jack’s team? a) It won between 2 and 4 b) It won between 9 and 20 c) It won between 13 and16 d) It won between 16 and 20 2) If x and y are opposites, which of the following relationships is true? a) x = -y b) x + y = 1c) x + -y = 0 d) xy = 1

23. Bell Work 1)Tim has a total of 1000 basketball cards. He has filled 4 identical albums and has 200 cards remaining. How many cards are in each album. 2.4x + 30 = 50 3.3(5x – 5) = 15 4.-19m + 20m = 65