Rotate the coordinate axes to change the given equation into an equation which has no cross product (xy) term. Identify the graph of the equation as a hyperbola, ellipse, parabola, a straight line, or parallel lines.7x2 - 4xy + 11y2  - 7x + 3y - 10 = 0

A. 6.172u2 + 7.828v2  - 6.467u + 5.450v = 0; Ellipse
B. 11.828u2 - 11.828v2  + 5.450u - 5.319v - 10 = 0; Hyperbola
C. 6.172u2 + 11.828v2  - 5.319u + 5.450v - 10 = 0; Ellipse
D. 6.172u2 - 11.828v2  - 5.319u + 5.450v - 10 = 0; Hyperbola


Answer: C

Mathematics

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