\({\rm{x}} = \frac{{{\rm{\alpha }}\left( {1 - {{\rm{t}}^2}} \right)}}{ – McqOptions

MCQOPTIONS

1.	\({\rm{x}} = \frac{{{\rm{\alpha }}\left( {1 - {{\rm{t}}^2}} \right)}}{{1 + {{\rm{t}}^2}}},{\rm{\;y}} = \frac{{2{\rm{at}}}}{{1 + {{\rm{t}}^2}}}\)What does the equation represent?
A.	It represents a circle of diameter α
B.	It represents a circle of radius α
C.	It represents a parabola
D.	None of the above
Answer» C. It represents a parabola

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