Question 130378
slope=(y2-y1)/(x2-x1)=(-3-3)/(-2-5)=-6/-7=6/7 is the slope.
3=5*6/7+b
3=30/7+b
b=3-30/7
b=(21-30)/7
b=-9/7 the y intercept.
thus this line equation is:
Y=6X/7-9/7
{{{ graph( 300, 200, -6, 5, -10, 10, 6x/7 -9/7) }}} (graph 300x200 pixels, x from -6 to 5, y from -10 to 10, 6x/7 -9/7).