5. What are the slopes and y-intercepts of the lines having the following equations? (If necessary, first write the equation in slope- intercept form.) a) y = 8x + 3 b) y = 1 x + 5 c) y = x - 7 d) y = 6(x-2) e) y=x+x f) y = -x g) y = 10 - 3x h) y = 4