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Algebraic Expressions
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Unit 1 • Chapter 1
Algebraic Expressions
Summary
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Concept Check
What is the sum of 4x^2 + 3y^2 if x=2 and y=3?
41
37
33
39
Simplify (2a^3b)(-3ab^2) for a=4 and b=2.
-48
-44
-52
-56
Expand (x-3)(2x+5) and simplify the expression.
2x^2+x+15
2x^2+x-15
2x^2-x+15
2x^2-x-15
Factorize x^2 + 7x + 10.
(x+2)(x+5)
(x+2)(x+3)
(x+3)(x+5)
(x+3)(x+7)
Evaluate 4x^3 - 5x^2 + 2x - 7 for x=3.
98
86
92
104
Check
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