1
has a unique input that matches to a unique output
2
(y2 - y1) / (x2 - x1)
3
solutions are above a dotted line on the graph
4
where the linear function crosses the y axis
5
set of ordered pairs
6
the solutions are below a dotted line on the graph
7
all the x-coordinates of a linear function
8
represents the y-coordinate of a function
9
represents the x-coordinate of a function
10
all the y-coordinates of a linear function
