Question 932901
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.  
..........
y=4x+6  slope = 4
x-4y=-8  0r y = (1/4)x + 2 , slope = 1/4
......
Neither parallel 0r perpendicular