If 5x + 9 = 0 is the directrix of the hyperbola 16x2 – 9y2 = 144, then its corresponding focus is:

\(\left( { - \frac{5}{3},{\rm{\;}}0} \right)\)

\(\left( {\frac{5}{3},0} \right)\)

If 5x + 9 = 0 is the directrix of the hyperbola 16x2 – 9y2 = 144, th

1.	If 5x + 9 = 0 is the directrix of the hyperbola 16x2 – 9y2 = 144, then its corresponding focus is:
A.	(5, 0)
B.	\(\left( { - \frac{5}{3},{\rm{\;}}0} \right)\)
C.	\(\left( {\frac{5}{3},0} \right)\)
D.	(-5, 0)
Answer» E.

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If 5x + 9 = 0 is the directrix of the hyperbola 16x2 – 9y2 = 144, then its corresponding focus is:

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