Question 333914
(-2,-5)  m= 3/4
Y=mX+b
-5=3/4*-2+b
-5=-6/4+b
b=-5+6/5
b=-5+1.2
b=-3.8
Y=3x/4-3.8 ans.
Proof:
{{{ graph( 300, 200, -6, 5, -10, 10, 3x/4 -3.8) }}} (graph 300x200 pixels, x from -6 to 5, y from -10 to 10, 3x/4 -3.8)