Question 313628
(-6,3) and (1,1)
Y=mX+b
m=slope=(y2-y1)/x2-x1)
m=(1-3)/(1+6)
m=-2/7 ans. for the slope.
1=-2/7*1+b
1=-2/7+b
b=1+2/7
b=7/7+2/7=9/7 ans. for the y intercept.
Y=-2X/7+9/7
{{{ graph( 300, 200, -6, 5, -10, 10,-2x/7 +9/7) }}} (graph 300x200 pixels, x from -6 to 5, y from -10 to 10, -2x/7 +9/7).