Find an equation of a sphere with radius r and center C(h, k, l). SOLUTION By definition, a sphere is the set of all points P(x, y, z) whose distance from C is r. (See the figure.) Thus, in terms of r, P is on the sphere if and only if |PC| = . Squaring both sides, in terms of radius r, we have |PC|2 = . In terms of Cartesian coordinates and radius r, the equation of a sphere is (x − )^2+ (y − k)^2+ (z − )^2 =
Find an equation of a sphere with radius r and center C(h, k, l). SOLUTION By definition, a sphere is the set of all points P(x, y, z) whose distance from C is r. (See the figure.) Thus, in terms of r, P is on the sphere if and only if |PC| = . Squaring both sides, in terms of radius r, we have |PC|2 = . In terms of Cartesian coordinates and radius r, the equation of a sphere is (x − )^2+ (y − k)^2+ (z − )^2 =
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter11: Topics From Analytic Geometry
Section: Chapter Questions
Problem 41RE
Related questions
Question
Find an equation of a sphere with radius r and center
C(h, k, l).
SOLUTION By definition, a sphere is the set of all points
P(x, y, z)
whose distance from C is r. (See the figure.) Thus, in terms of r, P is on the sphere if and only if
|PC| = .
Squaring both sides, in terms of radius r, we have
|PC|2 = .
In terms of Cartesian coordinates and radius r, the equation of a sphere is
(x − )^2+ (y − k)^2+ (z − )^2 =
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