Question 135194
Y=4X+8 (RED LINE)
a line through (4,3) with a slope=4 is:
3=4*4+b
3=16+b
b=3-16
b=-13 answer for the y intercept.
thus the equation is:
Y=4X-13 (GREEN LINE).
{{{ graph( 300, 200, -6, 5, -15, 10, 4x +8, 4x -13) }}} (graph 300x200 pixels, x from -6 to 5, y from -15 to 10, of TWO functions 4x +8 and 4x -13).