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Step by step explanation This is how I got the answer to your question and I gave you the solution I hope this helps you out
Step by step explanation This is how I got the answer to your question and I gave you the solution I hope this helps you out
Answer:
Radus: 2, Center (3,-4)
Step-by-step explanation:
You first move the constant to the right then reorder the terms: x^2+y^2-6x+8y=-21.
You then complete the square: x^-6x+9+y^2=-21+9
Then factor: (x-3)^2+y^2+8y=-12
Then complete the square for the other term:
(x-3)^2+y^2+8y+12=-12+16
Then factor: (x-3)^2+(y+4)^2=4
4 is the radius squared, so the radius must be 2.
The center is the opposite of the constant in the parenthesis so the center must be (3,-4)
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