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.xy - 9x + y - 6 = 0
A. 
u2 - y'2 - 4
u + 
v - 6 = 0 ; Hyperbola
B. 
u2 + 
v2 - 4
u + 5
v - 6 = 0 ; Ellipse
C. 
u2 - 4
u + 5
v - 6 = 0 ; Parabola
D. 
u2 - 
v2 - 4
u + 5
v - 6 = 0 ; Hyperbola
Answer: D
Mathematics
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A. 
B. 
C. - 
D. 
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