SOLUTION: 1. The coordinates of the vertices of triangle abc are a(-2,1), b(4,-2) and c(1,8) respectively. If d(x,y) is the foot of the perpendicular from a to bc, find (A)an equation connec

Algebra ->  Rational-functions -> SOLUTION: 1. The coordinates of the vertices of triangle abc are a(-2,1), b(4,-2) and c(1,8) respectively. If d(x,y) is the foot of the perpendicular from a to bc, find (A)an equation connec      Log On


   

Question 1132384: 1. The coordinates of the vertices of triangle abc are a(-2,1), b(4,-2) and c(1,8) respectively. If d(x,y) is the foot of the perpendicular from a to bc, find (A)an equation connecting x and y (B)the unit vector in the direction of bc
2. The straight line 3x-4y-3=0 cuts the circle x^2+y^2-16x-8y+30 at points P and Q.
(a) Find the coordinates of P and Q
(b) Calculate (i)the length of the chord PQ
(ii)the shortest distance from the center of the circle to the
chord PQ
Answer by ikleyn(52794) About Me  (Show Source):
You can put this solution on YOUR website!
.

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