Coefficients and Terms

What are the coefficients in an expression?

• The numbers multiplied by the variables

• The operations in the expression

• The constants in the expression

• The exponents in the expression

What are the coefficients in the expression 8x - 3 + 12xy?

• -3, 8, 12

• x, y

• 8, 12

• There are no coefficients in this expression

Identify the coefficients in this expression. 4 + 3x + 5x

• 3x, 5x

• 4, 3x, 5x

• 3, 5

• x

A number on its own that does not change and is without a variable is known as a _______________.

• Term
• Variable
• Coefficient
• Constant

Identify the constants in the expression:

7-5x+1

• 7

• 1

• 7 & 1

• 5

What is the constant term of:
14 - 8x - 7y

• -8
• -7
• 14
• none

things that are being added or subtracted in an expression

• term
• variable
• factor
• coefficient

Which expression contains exactly 3 terms?

• 5 + 6xy
• 9 + 4t
• 8 + 2y - 5x
• 24xy

Like terms have the same variables and the same exponents.

• true

• false

Combine like terms to simplify: a + 2a + 7

• 9a

• 3a + 7

• 2a + 7

• 9