Like Terms Variable Constant

A number without a variable is called a ____________.

• coefficient

• variable

• constant

• like term

Identify the constant in the following expression:
-3m-7

• 3

• -3

• 7

• -7

Simplify: 6x + 12x + 3 y

• 21x

• 18x + 3y

• 72x + 3y

• 6x + 15y

Simplify: 8x² + 5x + 2y + x

• 14x + 2y

• 13x²+ 2y + x

• 8x² + 6x + 2y

• 8x² + 7xy + x

Like terms has the same __________, with the same exponent. Constants can also be combined with each other.

• constant

• coefficient

• variable

Simplify: 5 + 11y + 2

• 5 + 11y

• 18y

• 11y + 7

• 11y + 3

Simplify: 15x + 19 + 2x - 4

• 17x + 15

• 17x + 23

• 30x + 15

• 13x + 15

Simplify: 11a - 5c + 3a

• 6a - 5c

• 14a + 5c

• 14a - 5c

• 8a - 5c

5x² + 7x² - 4

• 35x² - 4

• 2x² -4

• 12x² + 4

• 12x² - 4

Like terms have the same variable, with the same exponent. ______________ can also be combined.

• variables

• coefficients

• constants

• exponents