SOLUTION: Sketch the graph of the circle having an equation x 2 + y 2 + x - 2y = -1

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Question 1163778: Sketch the graph of the circle having an equation x 2 + y 2 + x - 2y = -1
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
x%5E2%2Bx%2By%5E2-2y=-1
Complete The Squares:
x%5E2%2Bx%2B1%2F4%2By%5E2-2y%2B1=-1%2B1%2F4%2B1
%28x%2B1%2F2%29%5E2%2B%28y-1%29%5E2=1%2F4
highlight%28%28x%2B1%2F2%29%5E2%2B%28y-1%29%5E2=%281%2F2%29%5E2%29--------------Center at (-1/2,1) and radius is 1%2F2.