Expressions Review

What is an algebraic expression?

• a letter or a symbol used to represent an unknown value

• an expression that contains numbers, operations, and one or more variables

• a specific number whose values does not change

Evaluate the expression when x =2:

3x + 8

• 13

• 14

• 15

• 16

In the term 12d, 12 is called the...

• variable
• product
• simplify
• coefficient

The difference of a number and 7

• 7 − x

• x + 7

• x/7

• x − 7

a number increased by eighteen

• 18n
• n+18
• 18-n
• 18/n

fourteen times a number

• n-14
• 14n
• 14+n
• 14-n

the sum of fifty-two and a number

• n-52
• 52 + n
• 52/n
• 52n

w increased by 5

• w - 5
• 5w
• w + 5
• w / 5

g divided by nine

• 9g
• g-9
• g ÷ 9
• 9 ÷ g

the quotient of a number and 4

• n ÷ 4
• n - 4
• n + 4
• 4n