Question 187115
Y=mX+b
4=1/3(-3)+b
4=-1+b
b=4+1
b=5 FOR THE Y INTERCEPT.
Y=X/3+5 IS THE EQUATION OF THIS LINE THROUGH (-3,4)(6,1) WITH A SLOPE=1/3.
PROOF:
{{{ graph( 300, 200, -6, 5, -10, 10, x/3 +5) }}} (graph 300x200 pixels, x from -6 to 5, y from -10 to 10, x/3 +5).