Question 89703
4X-Y=6 OR -Y=-4X=6 OR Y=4X-6 (RED LINE) THIS LINE HAS A SLOPE(m)=4 & A Y INTERCEPT (b)=-6.
A PERPEBDICULAR LINE WILL HAVE A SLOPE OF -1/4 (A NEGATIVE RECIPRICAL OF 4). THE Y INTERCEPT IS THE SAME (-6). THUS THE LINE FORMULA IS:
Y=-X/4-6 (GREEN LINE)
{{{ graph( 300, 300, -10, 10, -10, 10, y = 4x -6, y=-x/4 -6) }}} (graph 300x300 pixels, x from -10 to 10, y from -10 to 10, of TWO functions y = 4x -6 and y = -x/4 -6).