Warm Up : Quarterly Assessment 1. Warm Up # 1 Which property is illustrated below? 1.9 + ( 4 + 5) = (9 + 4) + 5 2.23 + 45 = 45 + 23 3.4 + (2 + 3) = 4

Warm Up : Quarterly Assessment 1

Warm Up # 1Which property is illustrated below? 1.9 + ( 4 + 5) = (9 + 4) + 52.23 + 45 = 45 + 23 3.4 + (2 + 3) = 4 + ( 3 +2)What is the reciprocal of ____?a) ¾ =b) – ½ = c) 5 ¾ =

Warm Up # 1BWhich 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 =

Warm Up #21. 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 addition.

Warm Up #2B

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.

Warm Up # 31) 1) Which of the following equations is

equivalent to 5(4x – 8) =30?a)20x – 3 = 30 b) 20x – 13 = 30c) 20x – 35 = 30 d) 20x – 40 = 30

2) 2) Solve –6m + 11m = 80.a)15 b) 16 c) 17 d) -163)3) Which of the following equations is equivalent to2(6m + 4) = 10m – m?a)12m + 4 = 9m b) 12m + 8 = 9mc) 12m + 4 = 9 d) 12m + 8 = 9

Warm Up # 3B1) 1) Which of the following equations is

equivalent to 6(4x – 8) =30?a)24x – 2 = 30 b) 24x – 14 = 30c) 24x – 48 = 30 d) 24x – 42 = 30

2) 2) Solve –8m + 15m = 112.a)15 b) 16 c) 17 d) -163)3) Which of the following equations is equivalent to2(8m + 7) = 10m – m?a)10m + 14 = 9m b) 16m + 9 = 9mc) 16m + 14 = 9m d) 16m + 14 = 9

Warm Up # 41) 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 = 1 c) w + z = 0 d) wz = 1

Warm Up # 4B1) 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 = 1 c) x + -y = 0 d) xy = 1

Warm Up # 5 1.8x + 6 = 54 2.3(2x – 4) = 483.9m + 2m = 55What is the reciprocal of ….?4. -5 ¾ 5. 6.

6x y+ 2x

X – 3y

Warm Up #5B 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) = 154. -19m + 20m = 65

Warm Up #6 1) 4x – 2(x + 3) = 302) 2x – 2(-2x + 5) = 20 3) 5x – (-2x – 5) = 404) Which equation is equivalent to

–9(x – 5) = 12x?a) -9x + 45 = 12x b)-9x + 5 = 12xc) -9x – 45 = 12x d) -9x – 5 = 12x

Warm Up # 6B 1) Which relation below is a function? a) b) c) d)

2) Graph the following…a) y = 2 b) y = -3 c) y = 4 d) y = 1e) x = 1 f) x = -2 g) x = 3 h) x = 2

XX Y0 31 12 01 4

XX Y0 -31 52 61 7

XX Y0 81 62 40 2

XX Y0 11 22 53 10

Warm Up # 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 theconditional statement below?a) 9 b) 81 c) -9 d) -81

If xIf x22 = 81 , then x = 9 = 81 , then x = 9

Warm Up #7B 1)Which set is the domain and range of the relation

graphed above?

Warm Up # 8Does the graph below represent a function?

Warm Up # 8B 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 ofthe equation 2x−6y = 24?a) (3, 4) b) (12,0 ) c) (0,12) d) (4,3)

Warm Up # 91) 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?

Warm Up 9BThe installation cost and monthly monitoring fee of a security system

are listed below for two companies.

Ace Systems charges $327 for installation and $204 per Ace Systems charges $327 for installation and $204 per month for monitoring the system.month for monitoring the system.Zero Entry charges $535 for installation and $188 per month Zero Entry charges $535 for installation and $188 per month for monitoring the system.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:

Warm Up # 101. 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:


Warm Up # 10B1. 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.


Documents

Warm Up : Quarterly Assessment 1. Warm Up # 1 Which property is illustrated below? 1.9 + ( 4 + 5) = (9 + 4) + 5 2.23 + 45 = 45 + 23 3.4 + (2 + 3) = 4