Question 400789
x-intercept is 3, y-intercept is -3
X=(3,0)
Y=(0,-3)
Y=mX+b
m=SLOPE=(Y2-Y1)/(X2-X1)
m=(-3-0)/(0-3)
m=-3/-3=1 ans.
0=3*1+b
0=3+b
b=-3 ans. for the Y intercept.
Y=X-3 ans. 
{{{ graph( 300, 200, -6, 5, -6, 5, x -3 ) }}} (graph 300x200 pixels, x from -6 to 5, y from -6 to 5, of TWO functions x -3).