Question 1208357
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Plug in x = 0 to get y = 2. This shows (0,2) is one point on the graph. It's the y intercept.


Plug in x = 1 to get y = -1. It leads to the point (1,-1)


Plot the two points (0,2) and (1,-1) on the xy grid. Draw a straight line through them.
{{{
drawing(400,400,-5,5,-5,5,
graph(400,400,-5,5,-5,5,1000,-3x+2),
circle(0,2,0.05),circle(0,2,0.07),circle(0,2,0.09),circle(0,2,0.11),circle(1,-1,0.05),circle(1,-1,0.07),circle(1,-1,0.09),circle(1,-1,0.11)
)
}}}


Another approach would be to use the y = mx+b template.
m = -3 = -3/1 = slope
b = 2 = y intercept


Start at the y intercept's location (0,2).
Then move down 3 and right 1 to arrive at (1,-1).
This "down 3, right 1" pattern is due to the slope.
slope = rise/run = -3/1
rise = -3 = go down 3
run = 1 = go right 1
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