Hi

the following are linear equations representing lines on a graph

I. Can find points(x,y) on these lines by sustituting values of x

y = 2x+2  |Pt(0,2) and Pt(1,4) are two points on this line

y = x-3   |Pt(0,-3) and Pt(1,-2) are two points on this line

II.Plotting these points, one can the draw lines thru them representing the equation

for example: green is y = 2x+2 and blue is y = x-3



 

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