text: 1. ## Distance
  
  If the distance from the point (5,k) to the line 5x - 12y + 8 = 0 is 15, find k.
  
  THanks
  
  2. Originally Posted by Mr_Green
  If the distance from the point (5,k) to the line 5x - 12y + 8 = 0 is 15, find k.
  
  THanks
  The distance from this point to this line is:
  $\displaystyle \frac{| 5(5) - 12 (k)-8|}{\sqrt{5^2+12^2}} = 15$.
  Now solve.