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Algebraic Expressions and Vocabulary
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Evaluate this expression if 3a + 4b If a =2 and b=-4
-10
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What is the coefficient of g in this expression? 12k - 16g + 28y
The coefficient is -16
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Simplify the expression. -4a + 15 + 2 -10a + 3b
-14a +3b + 17
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What is the coefficient in this expression? -k + 30
The coefficient is -1
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How many terms are in this expression? (5)(6x)
1
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Simplify the expression. -2(6z)
-12z
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What is the constant in this expression? 120p + 100
The constant is 100
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What is a variable?
A variable is a letter that represents an unknown number.
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How many terms are in this expression? -3z + 7y + 8
3
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Simplify the expressin -3x + 4 +5x -7
2x - 3
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What is the variable in the expression? 24v - 2 + 12
v
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Evaluate the expression for 3x - 30 if x = 7
-9
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