Suppose that the graph of \[2x^2 + y^2 + 8x - 10y + c = 0\]consists of a single point. (In this case, we call the graph a degenerate ellipse.) Find $c.$
Question:
Suppose that the graph of \[2x^2 + y^2 + 8x - 10y + c = 0\]consists of a single point. (In this case, we call the graph a degenerate ellipse.) Find $c.$
Answer:
Let's think step by step.

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Suppose that the graph of \[2x^2 + y^2 + 8x - 10y + c = 0\]consists of a single point. (In this case, we call the graph a degenerate ellipse.) Find $c.$
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