Question 311176
slope= -1; (6, -1)
Y=mX+b
-1=-1*6+b
-1=-6+b
b=-1+6
b=5 ans. for the Y intercept.
Y=-X+5 IS THE LINE EQUATION.
PROOF:
{{{ graph( 300, 200, -6, 8, -10, 10, -x +5) }}} (graph 300x200 pixels, x from -6 to 8, y from -10 to 10, -x +5).