The line passing through (2, y) and (4, 4) is
Chapter 3, Problem 3.1.294(choose chapter or problem)
The line passing through (2, y) and (4, 4) is perpendicular to the line passing through (1, 2) and (4, 1). Find y.
Unfortunately, we don't have that question answered yet. But you can get it answered in just 5 hours by Logging in or Becoming a subscriber.
Becoming a subscriber
Or look for another answer