Mod 10 review

The word "of" represents what operation?

• addition

• multiplication

• division

• subtraction

Evaluate: 6a - 3d

when a = 1, d = 2

• 3

• 1

• 12

• 0

Evaluate 3x + 8 if x = 2

• 13

• 15

• 14

• 16

Evaluate when a = 15:

2(a - 5) + 2

• 22

• 14

• 7

• 25

The sum of seven and x

• 7-x

• 7x

• x-7

• 7+x

The number h decreased by eight

• h-8

• h+8

• 8h

• 8-h

A _____________ is a symbol, usually a letter that stands for a number.

• coefficient

• variable

• algebraic expression

• term

Difference, minus, less than, and decreased by are all words that mean ______________.

• add

• multiply

• subtract

• divide

Combine the like terms. Simplify.

2x + x - 4y

• 2x+x-4y

• 3x-4y

• 4x+4y

• 3x+4y

Solve using distributive property.

3(x-6)

• 3x+18

• 3x+6

• 3x-6

• 3x-18