coordinates. used to show position on a map
plot.
horizontal axis.parrelell to the horizon
origin.the point of intersection of the x and y axis
vertical axis.at right angles to the horizon
x- axis.the horizontal axis
y-axis.the verticle axis of the graph
ordinate.

13. 2x+y=6 y= 6-2x

14.5x+y=7 y= 7-5x

15. 3x+2y=8 y= 8-3x

16.2x+5y=10 y= 10-2x