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Home > PC > Chapter 9 > Lesson 9.2.1 > Problem 9-73

9-73.

Find the equation of the line tangent to the circle x2 + y2 = 25 at the point (3, 4). Homework Help ✎

The radius is perpendicular to the tangent line. Find the slope of the radius to help find the slope of the tangent line.

Use the given point and mtangent to find the equation.