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7th Math Chapter 5 Quiz
Test Description: Practice.
Instructions: Answer all questions to get your test result.
1) If c = 8 and d = - 5, evaluate 2c - 4d.
A
-4
B
-42
C
1
D
36
2) If y = 3, evaluate 4y^3 + 2. ( y^3 means y cubed or y to the third power)
A
15
B
38
C
110
D
-4
3) 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
0.85 + 70x $1400.85
B
20 + 0.85x $77.40
C
0.85 + 20x $1200.97
D
70 + 0.85x $87
4) 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 = 10 49, 59, 69
B
d = 14 53, 67, 81
C
d = -13 52, 65, 78
D
d = 13 52, 65, 78
5) 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 = 0.03 1.11, 1.14, 1.17
B
d = 0.3 1.11, 1.14, 1.17
C
d = 0.03 2.2, 2.5, 2.8
D
d = 0.3 2.2, 2.5, 2.8
6) Name the property. 2(5n) = (2*5)n (* means multiply)
A
Multiplicative Identity
B
Associative Property of Multiplication
C
Multiplicative Property of Zero
D
Commutative Property of Multiplication
7) Name the Property. 3x + 0 = 3x
A
Multiplicative Property of Zero
B
Multiplicative Identity
C
Commutative Property of Addition
D
Additive Identity
8) Use the distributive property to simplify the expression. 5(-9 + 11)
A
-100
B
10
C
-10
D
100
9) Use the distributive property to simplify the expression. -3(y - 10)
A
-3y +30
B
-3y - 30
C
3y + 30
D
3y - 30
10) Use the distributive property to simplify the expression. -5(2x + 4y)
A
-10x - 20y
B
-20y + 10x
C
-10x + 20y
D
20y - 10x
*select an answer for all questions
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