Intro to Terms, Coefficients, Constants, and Variables

If the expression is  2a + 5b + 8, there are ___ variable(s)

• 2

• 5

• 8

• 3

If the expression is 4x − 11 + 3z, the constant is ....

• 4

• -11

• 3

• z

If the expression is 12x − 5y + 10, then the coefficient of x is ....

• 12

• -5

• 10

• 2