7. Find the area of the region enclosed by r = 2 cos 0 and r = 2 sin 0. (Find graph from book). 8. In R³, sketch the surface z = 1 - x² - y² and the cylinder y² + 2² = 4. 9. Describe the surface x² + y² + z² − 2x + 4y + 1 = 0 with plain English. 1

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
Chapter10: Analytic Geometry
Section10.1: The Rectangular Coordinate System
Problem 40E: Find the exact volume of the solid that results when the region bounded in quadrant I by the axes...
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8) please show all work
7. Find the area of the region enclosed by r = 2 cos 0 and r = 2 sin 0. (Find
graph from book).
8. In R³, sketch the surface z = 1 – x² - y² and the cylinder y² + z² = 4.
9. Describe the surface x² + y² + z² − 2x + 4y + 1 = 0 with plain English.
1
Transcribed Image Text:7. Find the area of the region enclosed by r = 2 cos 0 and r = 2 sin 0. (Find graph from book). 8. In R³, sketch the surface z = 1 – x² - y² and the cylinder y² + z² = 4. 9. Describe the surface x² + y² + z² − 2x + 4y + 1 = 0 with plain English. 1
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