Match the terms to their correct definitions.

1. ordered pair

2. range

element in an equation that does

not change value

returns part of the price

for any value in the domain there is

one and only one value in the range

variable in an equation that can

take have different values

ratio of the vertical change to the

3. slope

4. y intercept

5. constant

horizontal change of a line

lowers the purchase price of a

6. discount

vehicle

an expression written (domain

7. fixed cost

8. independent variable

term, range term)

vehicle operating costs that vary

with usage of the vehicle

vehicle operating costs that do not

vary from month to month

9. rebate

10. variable cost

the value of y when x = 0

11. function

terms on the vertical axis

12. domain

terms on the horizontal axis