Question 578908
The slope of the line is: {{{m=(3+1)/(-6+3)=-4/3}}}

The equation of the line is:{{{y-3=(-4/3)(x+6)}}}, converting it in the

 slope-intercept form we get:{{{3y-9=-4x-24}}} or {{{ y=(-4/3)x-5}}}. 

From the last equation we conclude that the y intercept is the point (0, -5)

{{{graph(300, 300, -7, 7,-7, 7, y=-(4/3)x-5)}}}