I need help, I did 1-2b, but i do not mind someone answering it either way so I can double check, but I am mainly stuck with 2c
and if someone can tell me the answer and as to why, it would mean a lot and you can get brainlest if it is the right answer :) 
1 answer:
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Answer:
Step-by-step explanation:
We want to write the equation of a circle with a diameter of 10 units centered on (-2, 1).
Recall that the equation of a circle has the standard form:
Where (<em>h, k</em>) is the center and <em>r</em> is the radius.
Since our diameter is 10, our radius is 5.
And since the center is at (-2, 1), <em>h</em> = -2 and <em>k</em> = 1.
Substitute:
And simplify. Hence, our equation is: