SOLUTION: Hi How do I plot 3 x - y - 1 = 0 on a coordinate grid? Could you also please explain how its done.

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Question 390246: Hi How do I plot 3 x - y - 1 = 0 on a coordinate grid? Could you also please explain how its done.

Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!


Hi,        

Plotting this equation for a line: 3x-y-1 = 0 on a coordinate grid

 3x - y - 1 = 0

    3x - 1 = y

Finding ordered pairs for :

        3x - 1 = y

x = 0     3*0 - 1 = y    y = -1  Pt( 0,-1) on the line

x = 1   3*1 - 1 = 2      y =  2  Pt( 1,2) on the line

x = -1  3*-1 - 1 = -4    y = -4  Pt(-1,-4)  on the line

Plotting these points and connecting them with a straight line:

Note: Points reprsented by Pt(x,y) that is the x value is listed first