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Which Set of Parametric Equations Represents the Following Line or Conic

Question 26

Multiple Choice

Which set of parametric equations represents the following line or conic?
Use x=h+asec⁡θx = h + a \sec \theta and y=k+btan⁡θy = k + b \tan \theta .
Hyperbola: vertices (−5,7) ,(−3,7) \quad ( - 5,7 ) , ( - 3,7 )
foci (−8,7) ,(0,7) ( - 8,7 ) , ( 0,7 )


A)
x=4+15sec⁡θy=−7+tan⁡θ\begin{array} { l } x = 4 + \sqrt { 15 } \sec \theta \\y = - 7 + \tan \theta\end{array}
B)
x=−4+15sec⁡θy=7+tan⁡θ\begin{array} { l } x = - 4 + \sqrt { 15 } \sec \theta \\y = 7 + \tan \theta\end{array}
C)
x=7+15sec⁡θy=−4+tan⁡θ\begin{array} { l } x = 7 + \sqrt { 15 } \sec \theta \\y = - 4 + \tan \theta\end{array}
D)
x=−4+sec⁡θy=7+15tan⁡θ\begin{array} { l } x = - 4 + \sec \theta \\y = 7 + \sqrt { 15 } \tan \theta\end{array}
E)
x=7+sec⁡θy=−4+15tan⁡θ\begin{array} { l } x = 7 + \sec \theta \\y = - 4 + \sqrt { 15 } \tan \theta\end{array}

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