Questions from Calculus

Q: Let P(3, 4) be a point on the

Let P(3, 4) be a point on the circle x2 + y2 = 25 a. What is the slope of the line joining P and O(0, 0)? b. Find an equation of the tangent line to the circle at P. c. Let Q(x, y) be another point on...

Q: Let P(5, −12) be a point on

Let P(5, −12) be a point on the circle x2 + y2 = 169 a. What is the slope of the line joining P and O(0, 0)? b. Find an equation of the tangent line to the circle at P. c. Let Q(x, y) be another poin...