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Home > A2C > Chapter 11 > Lesson 11.2.5 > Problem 11-100

11-100.
  1. Find the equation of the line tangent to the circle x2 + y2 = 25 at each of the following points. Homework Help ✎

    1. (5, 0)

    2. (3, 4)

Find the equation of the line from the center of the circle to this point.

y = 0

Now find the equation of the line that is perpendicular to this line that passes through this point.

x = 5

See part (a) for the method.