   Chapter 0.7, Problem 19E

Chapter
Section
Textbook Problem

Describe the set of points ( x , y ) such that x 2 + y 2 = 9 .

To determine

The set of points (x,y) in the equation x2+y2=9.

Explanation

Given Information:

The provided equation is x2+y2=9.

Consider the equation x2+y2=9.

The standard equation of circle with center (h,k) and radius r is (xh)2+(yk)2=r2.

Compare the given equation with standard equation,

Therefore, the circle equation x2+y2=9 has center (0,0) and radius 3

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