Question 158315
4,7), (-2,2)
Y+mX+b
m=(2-7)/(-2-4)
m=-5/-6
m=5/6 slope.
7=5/6*4+b
7=20/6+b
b=7-20/6
b=(42-20)/6
b=22/6=11/3 y intercept.
Y=5X/6+11/3
{{{ graph( 300, 200, -6, 5, -10, 10, 5x/6 +11/3) }}} 
 (graph 300x200 pixels, x from -6 to 15, y from -10 to 12, 5x/6 +11/3).