7th Math Chapter 5 Quiz Question Preview (ID: 40831)


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If c = 8 and d = - 5, evaluate 2c - 4d.
a) 36
b) 1
c) -42
d) -4

If y = 3, evaluate 4y^3 + 2. ( y^3 means y cubed or y to the third power)
a) 110
b) 38
c) 15
d) -4

An MP3 player costs $70 and song downloads cost $0.85 each. Write an expression that represents the cost of the MP3 player and x number of downloaded songs. Then find the total cost if 20 songs are downloaded.
a) 70 + 0.85x $87
b) 0.85 + 70x $1400.85
c) 20 + 0.85x $77.40
d) 0.85 + 20x $1200.97

Describe the relationship between the terms in the arithmetic sequence. Then write the next three terms in the sequence. 0, 13, 26, 39, ...
a) d = 13 52, 65, 78
b) d = -13 52, 65, 78
c) d = 10 49, 59, 69
d) d = 14 53, 67, 81

Describe the relationship between the terms in the arithmetic sequence. Then write the next three terms in the sequence. 1.0, 1.3, 1.6, 1.9, ...
a) d = 0.3 2.2, 2.5, 2.8
b) d = 0.3 1.11, 1.14, 1.17
c) d = 0.03 1.11, 1.14, 1.17
d) d = 0.03 2.2, 2.5, 2.8

Name the property. 2(5n) = (2*5)n (* means multiply)
a) Associative Property of Multiplication
b) Commutative Property of Multiplication
c) Multiplicative Identity
d) Multiplicative Property of Zero

Name the Property. 3x + 0 = 3x
a) Additive Identity
b) Multiplicative Property of Zero
c) Multiplicative Identity
d) Commutative Property of Addition

Use the distributive property to simplify the expression. 5(-9 + 11)
a) 10
b) 100
c) -10
d) -100

Use the distributive property to simplify the expression. -3(y - 10)
a) -3y +30
b) -3y - 30
c) 3y + 30
d) 3y - 30

Use the distributive property to simplify the expression. -5(2x + 4y)
a) -10x - 20y
b) -10x + 20y
c) -20y + 10x
d) 20y - 10x

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