Determine if the graph of the equation below is a parabola, circle, ellipse, hyperbola, point, line, two lines, or empty.

$x^2 + 2y^2 - 6x - 8y + 21 = 0$
Question:
Determine if the graph of the equation below is a parabola, circle, ellipse, hyperbola, point, line, two lines, or empty.

$x^2 + 2y^2 - 6x - 8y + 21 = 0$
Answer:
Let's think step by step.

user
\text{empty}
Determine if the graph of the equation below is a parabola, circle, ellipse, hyperbola, point, line, two lines, or empty.

$x^2 + 2y^2 - 6x - 8y + 21 = 0$
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