Answer:
52
Step-by-step explanation:
(-6)x(-6)=36
(4)x(4)=16
36+16=52
Given:
Equation of a circle

Required:
Find the center and radius of the circle. Then graph of circle.
Explanation:
We have a standard equation of circle

Whose radius is (h, k) and radius r.
We have equation of a circle

Now, we will compare with standard equation of a circle

Graph of circle is
Answer:
Hence, this is the answer.