For Exercises 9-16, determine the center and radius of the circle. 9. (x – 4)2 + (y + 2)? = 81 12. (x – 1.5)? + y? = 2.25 11. x + (y – 2.5) = 6.25 14. x + y 10. (x + 3)? + (y – 1)? = 16 13. x + y = 20 = 28 - 2 3 + (y + - 4 81 25 15. x - 16. (х + + V - %3D 49 9.

Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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For Exercises 9-16, determine the center and radius of the circle.
9. (x – 4)2 + (y + 2)? = 81
12. (x – 1.5)? + y? = 2.25
11. x + (y – 2.5) = 6.25
14. x + y
10. (x + 3)? + (y – 1)? = 16
13. x + y
= 20
= 28
-
2
3
+ (y + -
4
81
25
15.
x -
16. (х +
+
V -
%3D
49
9.
Transcribed Image Text:For Exercises 9-16, determine the center and radius of the circle. 9. (x – 4)2 + (y + 2)? = 81 12. (x – 1.5)? + y? = 2.25 11. x + (y – 2.5) = 6.25 14. x + y 10. (x + 3)? + (y – 1)? = 16 13. x + y = 20 = 28 - 2 3 + (y + - 4 81 25 15. x - 16. (х + + V - %3D 49 9.
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