Question 270866
(1,6) and (-1,-2)
Y=mX+b where m=slope & b=the Y intercept.
m=(Y2-Y1)/(X2-X1)
m=(-2-6)/(-1-1)
m=-8/-2
m=4 is the slope.
6=4*1+b
b=6-4
b=2 the Y intercept.
Y=4X+2 ans.
{{{ graph( 300, 200, -6, 5, -10, 10, 4x +2) }}} (graph 300x200 pixels, x from -6 to 5, y from -10 to 10, 4x +2).