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Test Description: Combining like terms and evaluating expressions
Instructions: Answer all questions to get your test result.
1) The coefficients of 2x - 4x - x + 2 are
A
2,-4,-1
B
2,-4,-1,2
C
2,4,1,2
D
2,4,1
2) What is the constant of this expression: 2x - 3x - 4
A
4
B
2,-3,-4
C
2, 3, 4
D
-4
3) What are the like terms: 2x - 3x + 4
A
none
B
2x, 3x
C
2x, -3x, 4
D
2x, -3x
4) Combine like terms (simplify expression) 3x - 2x + 4x
A
x
B
9x
C
5x
D
no like terms
5) Simplify the expression: 2x + 2
A
2x
B
4x
C
2
D
no like terms, 2x + 2
6) Simplify the expression: 2x - 4x
A
2x - 4x
B
-2
C
2x
D
-2x
7) Evaluate the expression: 2a + 4 (where a = -2)
A
4
B
8
C
12
D
0
8) Evaluate the expression: 9x + 3b - 2s (where x = 1, b = 0, s=2
A
10
B
5
C
14
D
-5
9) What are/is the coefficient in this example: -9x + 2
A
9, 2
B
-9, 2
C
-9
D
9
10) Simplify the expression 2a - 3a - 4a (where a is 1)
A
-9
B
5
C
-5
D
1
*select an answer for all questions
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