Unit 4 Review - Expressions (Day 3)

• coefficient

• constant

• variable

• exponent

Evaluate:

"four cubed"

Which expression is NOT equivalent to the others?

• 3(4 + 7)

• 3(11)

• 12 + 21

• 3(4) ⋅ 3(7)

Which expression is equivalent to 4(2x + 3)?

• 4 + 2x + 4 + 3

• 8x + 12

• 8x + 3

• 4 + 2x + 12

• 38

• 16

• 72

• 74

• 6

• 7

• y

The cost of new flooring is $500 plus $3 per square foot. The expression 500 + 3f can be used to find the total price for f square feet. Determine the cost for f = 100 square feet.