Like Terms, Constants, Coefficients

What is a coefficient?

• the numerical part of a term; the constant that is multiplied by a variable

• a term without a variable; a number

• terms with the same variable parts

• a variable, a constant, or a product of a variable and a constant

What is a constant?

• the numerical part of a term; the constant that is multiplied by a variable

• a term without a variable; a number

• terms with the same variable parts

• a variable, a constant, or a product of a variable and a constant

What are like terms?

• the numerical part of a term; the constant that is multiplied by a variable

• a term without a variable; a number

• terms with the same variable parts

• a variable, a constant, or a product of a variable and a constant

Identify all of the constants in the expression below. Choose all that apply.

• 3x

• 3

• 4

• -12

• 12

Identify the coefficients in the expression below. Choose all that apply.

• -9

• 4

• -7

• 13

• -11

In the last expression, you should have chosen 6x and -9x, and -11y and 14y. Combine the like terms, and give a simplified expression.

• 15x + 25y

• 3x + 3y

• -3x + 3y

• -3x + 25y

Fill in the blank: -25x - 75x simplifies to ____________.

For the last question, you should have chosen 8 coefficients. Each variable has a coefficient. What are the coefficients? Choose all that apply.

• 1

• -1

• 0

Are 7y and 8x like terms?

• Yes

• No

• Sometimes

Are 7y and -8y like terms?

• Yes

• No

• Sometimes