SOLUTION: Find the equation of the line tangent to the circle x2 + y2 = 25 at point (3,4). Use the general equation of the line for your final answer.

Algebra ->  Pythagorean-theorem -> SOLUTION: Find the equation of the line tangent to the circle x2 + y2 = 25 at point (3,4). Use the general equation of the line for your final answer.      Log On


   

Question 1106426: Find the equation of the line tangent to the circle x2 + y2 = 25 at point (3,4). Use the general equation of the line for your final answer.
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
Slope from origin to point (3,4) is 4%2F3.

Line you want, y-4=-%283%2F4%29%28x-3%29;
y-4=-3x%2F4%2B9%2F4
y=-3x%2F4%2B9%2F4%2B4
highlight%28y=-3x%2F4%2B6%261%2F4%29