Question 669732
{{{y = mx+b}}}


{{{-2 = (-2/5)(1)+b}}}


{{{-2 = -2/5+b}}}


{{{-2+2/5 = b}}}


{{{-8/5 = b}}}


{{{b = -8/5}}}


So the equation of the line is {{{y = (-2/5)x-8/5}}}


Use a graphing calculator to get


{{{ drawing(500, 500, -10, 10, -10, 10,
 graph( 500, 500, -10, 10, -10, 10,0,(-2/5)*x-8/5)

)}}}