simplifying expressions quiz

5(a + 6)

• 5a + 6
• a + 30
• 5a + 30
• 5a - 30

5n + 11n

• 16n
• 55n
• 6n

A letter that represents a number is called a _____.

• variable
• coefficient
• constant
• term

A number with no variable attached is called a  _____.

• coefficient
• constant
• variable
• term

Simplify the following expression:
-10x + 15 - 3x + 2

• 13x² + 17
• -13x² + 13
• -13x + 17
• -7x + 17

Simplify: 
1y + 2x + 3y + 4x

• 1y + 6x + 3y
• -4y + 6x
• 4y + 6x
• 4x + 6y

Which of the following is equivalent to 8(5f - 7) + 3f ?

• 43f - 7
• -13f
• 43f - 56
• 40f -7 + 3f

Identify the like terms in the expression:

9 - z + 3 - 2z

• [9 & 3] and [z & -2z]

• z & 2z

• 9 & 3

• There are no like terms.

Simplify by combining like terms:

12y - 8 + 4y + y

• 17y - 8

• 16y-8

• 9y

• 8y+y

Write the expression in simplest form:

3b + 8 + 2b

Select all that apply.

• 13 + b

• 8 + 5b

• 5b + 8

• 13b