Expressions and Combining Like Terms

Like terms have the same _____ and the same _____.

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

A constant term is ______.

• just a number
• a letter
• x
• an expression

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

Simplify by combining like terms.
-14w + 8 + 9w - 2

• 23w + 6
• -23w + 6
• -6w + 7
• -5w + 6

What is the coefficient here?
-27m + 5

• 27
• -27
• 5
• m

Solve
8 + 3x + 4 when x = 8

• 36
• 40
• 50
• 46

Fifty-two less than one hundred is some number.

• 52 - 100 = x
• 100 - 52 = x
• x - 52 = 100
• 52 - x = 100