Expressions Question Preview (ID: 4669)
Combining Like Terms And Evaluating Expressions.
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The coefficients of 2x - 4x - x + 2 are
a) 2,4,1,2
b) 2,-4,-1
c) 2,-4,-1,2
d) 2,4,1
What is the constant of this expression: 2x - 3x - 4
a) 4
b) 2, 3, 4
c) 2,-3,-4
d) -4
What are the like terms: 2x - 3x + 4
a) 2x, -3x
b) 2x, -3x, 4
c) none
d) 2x, 3x
Combine like terms (simplify expression) 3x - 2x + 4x
a) 9x
b) no like terms
c) 5x
d) x
Simplify the expression: 2x + 2
a) 4x
b) no like terms, 2x + 2
c) 2
d) 2x
Simplify the expression: 2x - 4x
a) 2x
b) -2x
c) -2
d) 2x - 4x
Evaluate the expression: 2a + 4 (where a = -2)
a) 0
b) 4
c) 12
d) 8
Evaluate the expression: 9x + 3b - 2s (where x = 1, b = 0, s=2
a) 14
b) -5
c) 10
d) 5
What are/is the coefficient in this example: -9x + 2
a) -9, 2
b) 9
c) -9
d) 9, 2
Simplify the expression 2a - 3a - 4a (where a is 1)
a) -9
b) -5
c) 5
d) 1
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