SOLUTION: find the slope and y intercept of the line and use the slope and y intercept to sketch a graph of the line. 21x - 9y = 18

Algebra ->  Graphs -> SOLUTION: find the slope and y intercept of the line and use the slope and y intercept to sketch a graph of the line. 21x - 9y = 18      Log On


   

Question 477350: find the slope and y intercept of the line and use the slope and y intercept to sketch a graph of the line.
21x - 9y = 18
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

find the slope and y intercept of the line and use the slope and y intercept to sketch a graph of the line.

  21x - 9y = 18

OR  y = (21/9)x - 18/9

    y = (7/3)x-2   m = 1/3 and y-intercept is (0,-2)

Note: as y increases/decreases by 7, x increases by 3.  Ex. (3,5) on this Line