Linear Graphs

3. If there is a ______ relationship between x and y, x may be any value within a range, not just counting numbers
6. A number that tells us the value of y when x is zero (include the hyphen in your answer)
7. [charge] A type of charge to a customer. This is what we call the amount paid by a customer no matter what quantity of services are supplied (e.g. a plumber is called or a taxi is ordered)
9. When the value of y depends on the value of x, we call x the ______ variable.
13. In a relationship, the set of numbers that y can be
14. The relationship between the units you are using and their representation on the graph.
15. [charge] A type of charge to a customer. This is what we call the rate paid per unit of services supplied (e.g. the hourly fee for a plumber)
17. A pair of numbers that define a point on the graph
19. A number that describes the steepness of the line
21. A number that describes the steepness of the line
22. point on a graph where two lines meet

1. If the relationship between two variables is _____, a straight line would fit through all of the points.
2. A number that tells us the value of x when y is zero (include the hyphen in your answer)
4. Replace variables with numbers and evaluate the expression
5. How far something travels per unit of time
7. An algebraic way to express a relationship between variables using algebra
8. A link between two variables
10. A relationship in which the x values may be integers only
11. When the value of y depends on the value of x, we call y the _____ variable
12. In a relationship, the set of numbers that x can be
16. The ratio of two quantities, e.g. heartbeats per minute
18. The name of the point (0,0)
20. A graph has two _____. One is horizontal and one is vertical.
21. Figure out the value of an unknown variable