-16 i think is the correct anwser because you take the old number then subtract the new number then divide the old one then multiply by 100
Answer:
7
Step-by-step explanation:
I calculate my iwn brain no searching in chrome
Given:
The equation of a circle is
To find:
The center and radius of the given equation by completing the square.
Solution:
The standard form of a circle is
...(i)
where, (h,k) is center and r is radius of the circle.
We have,
It can be written as
...(ii)
On comparing (i) and (ii), we get
Therefore, the center is and the radius is units.