Expressions and Combining Like Terms

A constant term has ______.

• no exponents
• no variables
• no numbers
• no letters

A coefficient is __________.

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

How many terms does this expression have?
3x + 5y - 17 - 2y + x

• 3
• -17
• 5
• 1

How many terms does this expression have?
-18y + 7yz - 4z

• -18
• 3
• 7
• -4

Which of these are like terms?
-3x + 4 - 8x + 2xy

• -3x and -8x
• -3x and 4
• -3x and -8x and 2xy
• -8x and 2xy

What is the coefficient here?
17u + 8

• 17
• 8
• 17u
• -8

 $5a+2b-3a+4$  

Simplify by combining like terms

• 8a + 2b + 4

• 2a + 2b + 4

• 8ab

• 4ab + 4

Simplify the following expression:

 $3+5x+8-2x$  

•  $3x^2-11$  

•  $3x^2+11$  

•  $11-3x$  

•  $11+3x$  

 Choose the correct equivalent expression.

 $y+y+x+y+x$  

•  $2+3$  

•  $x+y$  
  

•  $2x+3y$  

•  $5xy$  

Solve
8 + 3x + 4 when x = 8

• 36
• 40
• 50
• 46