Algebraic Expressions Vocabulary and Simplifying

Write the phrase as an expression:

twice a number increased by 8

• 2 + 8x

• 2x + 8

• 2(x + 8)

• 8(x + 2)

eight plus triple the number of shirts
Let s = number of shirts

• 8 + 3s

• 8 + s

• 3s - 8

• s(8 + 3)

5 less than the product of 7 and s

• 7s - 5

• 5 - 7 + s

• 7(s - 5) 

• 5 - 7s

k + k + k + k + k =

• 3k

• 4k

• 5k

• 6k

5z - z - z -z =

• 2z

• 3z

• 4z

• z

r + r + r + 12 + 7 =

• r + 19

• 3r - 5

• 3r + 19

• 2r + 5

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

• variable

• product

• simplify

• coefficient

7s - 2s + 10=

• 15s

• 5s + 10

• 19s

• 9s + 10

99c - 98c = 

• 2c

• c

• 3c

• 4c

3f + 4f + 5f + 6f - 7f =

• 25f

• 12f

• 11f

• 24f