Find two sets of parametric equations for the given rectangular equation.y = x2 - 6
A. x = -t, y = t2 - 6; x = 
, y = -t + 6, t ? 0
B. x = -t, y = t2 + 6; x = 
, y = t - 6
C. x = t, y = t2 - 6; x = 
, y = t - 6, t ? 0
D. x = t, y = t2 - 6; x = 
, y = t + 6, t ? 0
Answer: C
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A. 
B. 
C. 
D. 
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