SOLUTION: find the coordinates of point d on line bc such that ad is the shortest segment distance from a to bc for a(9,9) b(-1,11) c(-2,2)

Algebra ->  Triangles -> SOLUTION: find the coordinates of point d on line bc such that ad is the shortest segment distance from a to bc for a(9,9) b(-1,11) c(-2,2)      Log On


   

Question 394271: find the coordinates of point d on line bc such that ad is the shortest segment distance from a to bc for a(9,9) b(-1,11) c(-2,2)
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!


Hi

line containing points (-1,11) and (-2,2). m = 9/1

 y =  9x + b  |using pt(-2,2) to solve for b

 2 = -18 + b  

 20 = b

 y = 9x + 20

 9 = 9x + 20  | substituting y =9 to find x value

-11/9 = x

coordinates of point d are (-11/9,9)