Question 1180715
the standard slope-intercept form for an equation of a line is {{{y = highlight_green(m)x + highlight(b)}}}  
where m is the slope and b the y-intercept.  

slope of -5 and a y intercept of 8

 y = -5x + 8


{{{drawing(300,300,    -10,10,-10,10,   
 grid(1),
circle(0, 8,0.4),
circle(8/5,0,0.4),
graph( 300, 300, -10,10,-10,10,0, -5x + 8))}}}