Question 216184
-8x+3y=-5 Through (2,-2)
3y=8x-5
y=8x/3-5/3 (red line) this line has a slope=8/3.
A perpendicular line has a slope=-3/8
-2=-3/8*2+b
-2=-6/8+b
b=-2+3/4
b=-8/4+3/4
b=-5/4 the y intercept.
y=-3x/8-5/4 (green line) ans.
{{{ graph( 200, 200, -5, 5, -5, 5, 8x/3 -5/3, -3x/8 -5/4) }}} (graph 200x200 pixels, x from -5 to 5, y from -5 to 5, of TWO functions 8x/3 -5/3 and -3x/8 -5/4).