Simplify Expressions by Combining Like Terms Quiz P3/4

b + b + b + 5

• 8b

• 2b + 5

• 3b - 5

• 3b + 5

Simplify the expression below by combining like terms.

 $-8x\ -12\ -3x\ +8$  

•  $-11x\ -\ 4$  

•  $-5x\ +\ 4$  

•  $-11x\ +\ 4$  

•  $-15x$  

Simplify 4x + 8 + 2x - 7.

• 6x + 15

• 6x - 1

• 6x + 1

• 2x + 1

y + x + y + y + x 

• 2 + 3 
• x + y 
• 2x + 3y 
• 5xy 

X+X+X+X+X

• X + 5 
• 5X
• X+X+X+X+X+5
• X to the 5th power 

r + 10r

• 11r

• -11r

• 9r

• -11

-4x - 10x

• -14
• 6x
• -6x
• -14x

Simplify the expression: 2x + 1 + 7x 

• 10x
• 10
• 9x + 1
• 9 + 1x

Like terms have the same _____ and the same _____.

• variables and numbers
• signs and numbers
• variables and exponents
• variables and signs

A coefficient is __________.

• the variable
• a constant
• an exponent
• the number that comes before the variable