Wednesday, November 11, 2009

Parallel and perpendicular

What you'll learn...
  • Write an equation of the line that passes through a given point, parallel to a given line.
  • Write an equation of the line that passes through a given point, perpendicular to a given line.
Do Now:

In your calculator, graph the following line:


  1. y= x + 3 and y = x - 3
  2. y=(-1/4)x + 3 and y=4x + 3


Explain what is going on with all 3 lines.