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Chapter 7 Review
Test Description: Expressions Review
Instructions: Answer all questions to get your test result.
1) How many terms are in this expression 5x + 4y - 12
A
2
B
3
C
5
D
1
2) What are the coefficient(s) in this expression 5x + 4y - 12
A
1
B
x, y
C
5, 4
D
-12
3) What are the exponent(s) in this expression 5x + 4y - 12
A
x, y
B
5,4
C
-12
D
1
4) What are the variable(s) in this expression 5x + 4y - 12
A
1
B
-12
C
5,4
D
x,y
5) What are the constant(s) in this expression 5x + 4y - 12
A
-12
B
1
C
x,y
D
5,4
6) What are the like terms in this expression? 5x + 2xy + 3x - y + 18
A
2xy, -y
B
5x, 2xy, 3x
C
2xy, -y
D
5x, 3x
7) Simplify the expression: 8x + 23 - 10x - 5 + 3x
A
-2x + 18
B
x + 18
C
19x
D
21x + 18
8) Use the distributive property to rewrite the expression: -8(3x + 6y)
A
5x + 6y
B
-5x + 6y
C
-24x - 48y
D
24x + 48y
9) Add the expressions: (3x + 8) + (-4x - 4)
A
7x + 12
B
7x + 4
C
-x + 4
D
-x + 12
10) Subtract the expressions: (-m + 4) - (-m -4)
A
-2m + 8
B
8
C
-2m
D
4
11) Simplify the expression: 5x - 4(2x + 3)
A
-3x + 3
B
-x + 3
C
-x - 3
D
-3x -12
12) Factor the expression: -45x - 18
A
-9(5x - 2)
B
-9(5x + 2)
C
-9(-5x - 2)
D
9(-5x + 2)
13) Simplify the expression: 3x + 5y - x + 12 - 8
A
2x + 5y + 4
B
7xy + 4
C
4x + 5y + 4
D
11xy
14) Find the GCF of the following monomials: 24xy, 15x
A
5
B
3
C
5x
D
3x
15) Factor the expression: 6x + 12
A
2(3x + 6)
B
3(2 + 4) = 24
C
6(x + 2)
D
3(2x + 4)
16) Use the distributive property and simplify the expression: 4(2x + 3) + 2x
A
4x + 12
B
10x + 12
C
10x + 3
D
4x + 3
17) Subtract the expressions: (x + 1) - 2(-3x + 5)
A
7x - 9
B
-5x + 11
C
7x + 11
D
-5x - 9
18) Add the expressions: (4x + 8) + (-2x + 5)
A
6x + 3
B
2x + 13
C
12x + 3x
D
6x + 13
19) Simplify the expression: 8p - 7 + 4p
A
4p - 7
B
12p - 7
C
19p
D
5p
20) What are the like terms: 5x + 3xy + 8y + 10x + 5
A
5x, 3xy, 10x
B
5x, 5
C
3xy, 8y
D
5x, 10x
*select an answer for all questions
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