Math/117
posted by PurplePeople .
Please help I am a little confused!!!!
Graph using the slope and yintercept..
x + 3y = 9.

Math/117 
Reiny
x + 3y = 9.
3y = x + 9
y = (1/3)x + 3
the yintercept is 3, so plot the point (0,3) on the yaxis
the slope is 1/3, so the "rise" is 1 and the "run" is 3
from the yintercept count 3 units to the right and 1 unit down for the point (3,2)
Join the two points with a line, done!
(notice the points (0,3) and (3,2) both satisfy your equation, so we are right)
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