Question 294445
(3.3, -4) and (6.3, 3.6)
Y=mX+b
m=(Y2-Y1)/(X2-X1)
m=(3.6+4)/(6.3-3.3)
m=7.6/3 is the slope.
-4=7.6/3*3.3+b
-4=25.08/3+b
b=-25.08/3-4
b=(-25.08-4*3)/3
b=-37.08/3 ans. for the Y intercept.
Y=7.6X/3-37.08/3
{{{ graph( 300, 200, -6, 8, -20, 10, 7.6x/3 -37.08/3) }}}graph 300x200 pixels, x from -6 to 8, y from -20 to 10, 7.6x/3 -37.08/3).