Chapter 7 Review Question Preview (ID: 30749)


Expressions Review. TEACHERS: click here for quick copy question ID numbers.

Factor the expression: -45x - 18
a) -9(5x + 2)
b) 9(-5x + 2)
c) -9(5x - 2)
d) -9(-5x - 2)

Simplify the expression: 5x - 4(2x + 3)
a) -3x + 3
b) -x + 3
c) -3x -12
d) -x - 3

Subtract the expressions: (-m + 4) - (-m -4)
a) -2m
b) -2m + 8
c) 4
d) 8

Add the expressions: (3x + 8) + (-4x - 4)
a) 7x + 12
b) -x + 12
c) -x + 4
d) 7x + 4

Use the distributive property to rewrite the expression: -8(3x + 6y)
a) 24x + 48y
b) -5x + 6y
c) -24x - 48y
d) 5x + 6y

Simplify the expression: 8x + 23 - 10x - 5 + 3x
a) x + 18
b) -2x + 18
c) 21x + 18
d) 19x

What are the like terms in this expression? 5x + 2xy + 3x - y + 18
a) 2xy, -y
b) 5x, 3x
c) 5x, 2xy, 3x
d) 2xy, -y

What are the constant(s) in this expression 5x + 4y - 12
a) 5,4
b) -12
c) x,y
d) 1

What are the variable(s) in this expression 5x + 4y - 12
a) 5,4
b) -12
c) x,y
d) 1

What are the exponent(s) in this expression 5x + 4y - 12
a) 5,4
b) -12
c) x, y
d) 1

What are the coefficient(s) in this expression 5x + 4y - 12
a) 5, 4
b) -12
c) x, y
d) 1

How many terms are in this expression 5x + 4y - 12
a) 5
b) 3
c) 2
d) 1

Simplify the expression: 3x + 5y - x + 12 - 8
a) 2x + 5y + 4
b) 7xy + 4
c) 4x + 5y + 4
d) 11xy

Find the GCF of the following monomials: 24xy, 15x
a) 5x
b) 3x
c) 5
d) 3

Factor the expression: 6x + 12
a) 3(2x + 4)
b) 2(3x + 6)
c) 3(2 + 4) = 24
d) 6(x + 2)

Use the distributive property and simplify the expression: 4(2x + 3) + 2x
a) 10x + 3
b) 4x + 3
c) 10x + 12
d) 4x + 12

Subtract the expressions: (x + 1) - 2(-3x + 5)
a) -5x + 11
b) -5x - 9
c) 7x - 9
d) 7x + 11

Add the expressions: (4x + 8) + (-2x + 5)
a) 2x + 13
b) 6x + 13
c) 12x + 3x
d) 6x + 3

Simplify the expression: 8p - 7 + 4p
a) 4p - 7
b) 19p
c) 12p - 7
d) 5p

What are the like terms: 5x + 3xy + 8y + 10x + 5
a) 5x, 3xy, 10x
b) 5x, 10x
c) 5x, 5
d) 3xy, 8y

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