Write an Equation Perpendicular to an Equation Through a Point

==Steps:==

  1. Remember, opposite reciprocal=flip sign and numbers

Example:

y=-2x+4 through (-3, -2)

y=1/2x+b

  1. ==Opposite reciprocal==

-2=1/2(-3/1)+b

-2= -3/2+b

+3/2 +3/2

-1/2=b

y=1/2x-1/2