Question 159241
(8,-1)
Y=X/4+3 THIS LINE HAS A SLOPE (m)=1/4.
THE PERPENDICULAR LINE WILL HAVE A SLOPE=4.
-1=4*8+b
b=-1-32
b=-33
THUS THE LINE EQUATION FOR THE LINE THROUGH (8,-1) WITH A SLOPE=4 IS:
Y=4X-33.
{{{ graph( 300, 200, -6, 10, -40, 10, 4x -33) }}} (graph 300x200 pixels, x from -6 to 10, y from -40 to 10, 4x -33).