Sketch in the same diagram the graphs of \(y = x^2\) and \(x^2 + y^2 - 4x + 2y - 4 = 0\).
What kind of a curve does the first equation give?
How about the second? Can we complete the square here to make the equation clearer?
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Suggestion
Sketch in the same diagram the graphs of \(y = x^2\) and \(x^2 + y^2 - 4x + 2y - 4 = 0\).
What kind of a curve does the first equation give?
How about the second? Can we complete the square here to make the equation clearer?