You are given the circle, x² + y2 = 25.

College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter1: Equations And Graphs
Section1.3: Lines
Problem 3E
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You are given the circle, x² + y²
(a) At what two points is x = 4?
Point A: (4,
Point B: (4,
= 25.
) (smaller y value)
) (larger y value)
(b) Find the equation of the tangent line to the circle at Point A.
Transcribed Image Text:You are given the circle, x² + y² (a) At what two points is x = 4? Point A: (4, Point B: (4, = 25. ) (smaller y value) ) (larger y value) (b) Find the equation of the tangent line to the circle at Point A.
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