Which equation represents the circle described? (in picture)
1 answer:
You are right. In circle equation we have =r² so the correct answer will be C od D. But we have to calculate the center of a circle.

Complete the square:

And we have:

So the answer is C (the same left side of equation).
You might be interested in
Answer:
(8,-2)
Step-by-step explanation:
x and y switch places and x's sign is changed
Answer:
-1266
Step-by-step explanation:


Answer: 5 * 23 = 115 so 40<
Step-by-step explanation:
Answer:
..
Step-by-step explanation:
The ninth term will be 71.