Find a parametric equation for the parabola described.Vertex at (1, -2); directrix x = 5
A. x = - 
t2 + 1, y = t - 2
B. x = 
t2 + 1, y = t - 2
C. x = - 
t2 - 1, y = t + 2
D. y = - 
t2 + 2, x = t - 1
Answer: A
Mathematics
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B. 0.2 in.
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