Chapter 4 Expressions

Distribute 8(2 + b)

• 10 + 8b

• 10 + b

• 16 + b

• 16 + 8b

A term without a variable is a

• coefficient

• constant

The number in front of a variable is the

• constant

• coefficient

Simplify the expression: 2x + 1 + 7x + (-4) + x

• 10x + (-15)

• x + (-3)

• 10x + (-3)

• 10x + (-5)

4 - (-5)

• 9

• 1

• -1

• -20

5x + 5 + (-3x) + (-10)

• 2x + (-5)

• 6x + 3

• 2x + (-15)

• 8x + (-5)

Simplify the following expression:

13 + 5x + (-7) + (-7x)

• -2x + 20

• -12x - 8

• -12x + 6

• -2x + 6

Simplify by combining like terms:

5a + 2 + (-3a) + 4

• -2a + 6

• 2a + 6

• 2a + 4

• -4a + 8

Combine like terms

x + (-2x) + 3y + (-7y) + 5x + (-y)

• 4x + (-4y)

• 9x + (-5y)

• 4x + (-5y)

• 5x + (-10y)

-5a + 2b + 8a + (-4b) + (-6a) + 9b

• -3a + 7b

• -3a + 12b

• -6a + 7b

• -6a + 9b