passing through (4,8) with x-intercept 6

Answer 1

y intercept is the point (6,0)

line through that and (4,8) has slope = -8/2 = -4

the equation is

y=-4x +b

plug in either point to solve for b

0 =-4(6) +b

b = 24

y =-4x +24 is the line in slope intercept form