Describe in words the region of IR^3 represented by the equations or inequalities. y^2 + z^2 = 16

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter11: Topics From Analytic Geometry
Section: Chapter Questions
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28) Describe in words the region of IR^3 represented by the equations or inequalities.

y^2 + z^2 = 16

13–16 Show that the equation represents a sphere, and find its
center and radius.
13. х2 + у? + z? — 6х + 4у — 2z 3D 11
14. x? + y? + z² + 8x – 6y + 2z + 17 = 0
--
15. 2x? + 2y? + 2z?
8х — 24z + 1
=
-
16. 3x? + 3y? + 3z² = 10 + 6y + 12z
Transcribed Image Text:13–16 Show that the equation represents a sphere, and find its center and radius. 13. х2 + у? + z? — 6х + 4у — 2z 3D 11 14. x? + y? + z² + 8x – 6y + 2z + 17 = 0 -- 15. 2x? + 2y? + 2z? 8х — 24z + 1 = - 16. 3x? + 3y? + 3z² = 10 + 6y + 12z
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