Evaluating Algebraic Expressions and Distributive Property

Evaluating Expression Katie rented a bicycle at the beach for $3 an hour plus a $5 fee. Write an expression that shows how much it will cost Katie to rent the bicycle. Then solve the expression for 4 hours.

Which property is represented?
7(t + u) = 7t + 7u

• Commutative Property

• Associative Property

• Distributive Property

Which of the following is equivalent to 8x + 12

• 2 · 2x + 2 · 6

• 2(4x + 6)

• 12x + 8

• 4x + 4x + 4

Which of the following is equivalent to 5x + 5x + 10

• 2(5x + 10)

• 5⋅ 2x + 5 ⋅ 2

• 10x + 5

• 2x + 2x + 2x + 10

What is a coefficient? 

• The number in front of a variable

• A number in an expression that stays the same

• A variable or letter in math

• None of the above

Simplify the expression: 3x + 2x

• 5x

• x

• 6x

• 5

Use the distributive property to find an equivalent expression: 5(2f + 4)

• 10f + 4

• 10f + 9

• 10f + 20

• 30f

3x + 8   if x = 2

• 13

• 14

• 15

• 16

Evaluate x ÷ 4 for x=48

• 12

• 44

• 52

• 192

Evaluate 2r + 1      if   r = 3

• 6

• 5

• 7

• 8