Question 917342
It's in point-slope form so it goes through (6,3) and has a slope of 4. 
So another point would be (6+1,3+4)=(7,7).
Plot the two point and draw the line containing both points.
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Two points.
{{{drawing(300,300,-2,10,-2,10,grid(1),circle(6,3,0.3),circle(7,7,0.3))}}}
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Line.
{{{drawing(300,300,-2,10,-2,10,grid(1),circle(6,3,0.3),circle(7,7,0.3),graph(300,300,-2,10,-2,10,4(x-6)+3))}}}