Question 397209
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Hi
y = 5x-2  is a function describing ordered pairs that form a line when graphed
the standard slope-intercept form for an equation of a line is: y = mx + b 
 where m is the slope and b the y-intercept.  
y = 5x-2 is a line with slope m = 5 and the y-intercept is Pt(0,-2)
 m = (5/1)as y increases/decreases by 5, x increases/decreases by 1
Note: Plotting Pt(0,-2) and using slope to find at least one more point,
joining these points with a line completes the graphing
{{{drawing(300,300,-10,10,-10,10, grid(1),
circle(0, -2,0.3),
circle(1, 3,0.3),
circle(2, 8,0.3),
graph( 300, 300, -10,10,-10,10,0,5x-2))}}}