Question 242914
(4,2), (-6,7)
SLOPE=(Y2-Y1)/(X2-X1)
(7-2)/(-6-4)
5/-10
-1/2 ans. for the slope.
2=-1/2*4+b
2=-2+b
b=2+2
b=4 the Y intercept
Y=-X/2+4
{{{ graph( 300, 200, -6, 5, -10, 10, -x/2 +4) }}} (graph 300x200 pixels, x from -6 to 5, y from -10 to 10, -x/2 +4).