Question 94808
SLOPE=(Y2-Y1)/(X2-X1)
SLOPE=(-2+2)/(0+10)
SLOPE=0/10=0 WHICH IS A STEIGHT LINE THROPUGH THE POINT Y=-2
{{{ graph( 300, 200, -6, 5, -10, 10, y = -2) }}} (graph 300x200 pixels, x from -6 to 5, y from -10 to 10, y = -2).