Algebraic Expressions in One Variable

6(−5n + 7)

• -11n + 13

• 30n + 42

• -30n + 7

• -30n + 42

−8(1 − 5x)

• -8 + 40x

• 8 + 40x

• -8 - 40x

• 8 - 40x

Factor. 6a + 20

• 2(a + 10)

• 6(a + 14)

• 2(3a + 10)

• 3(2a + 5)

Factor. 4x + 10

• 4(x + 10)

• 2(2x + 10)

• 4(x + 2)

• 2(2x + 5)

Factor. 45c + 10d

• 45(c + 10d)

• 5(9c + 2d)

• 5cd(9 + 2)

• 2(22.5c + 5d)

Factor. 27 - 9x + 15y

• 9(3 - x + 15y)

• 3(9 - 3x + 5y)

• 2(13 - 5x + 7y)

• 3(9 - 9x + 5y)

A letter used to represent a number value in an expression or an equation.

• equation

• operations

• variable

• algebraic expression

What is 4x if x=5?

• 20

• 16

• 9

• 45

Evaluate 5y + 2 if       y = 3

• 17

• 19

• 55

• 13

2x + 3 + x²; for x = 4

• 17

• 27

• 19

• 25