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Home > A2C > Chapter 11 > Lesson 11.2.4 > Problem 11-91


Write the equation of the line tangent to the graph of at the point . (Hint: Drawing a diagram will help.)

Draw a diagram to show the situation.

Find the center of the circle. C:(7, 2)

Now find the line passing through the center and given point.

Now find the perpendicular line.