1.

The vertices of a hyperbola are at (0, 0) and (10, 0) and one of its foci is at (18, 0). The equation of the hyperbola is

A.            \[\frac{{{x}^{2}}}{25}-\frac{{{y}^{2}}}{144}=1\]                          
B.            \[\frac{{{(x-5)}^{2}}}{25}-\frac{{{y}^{2}}}{144}=1\]
C.            \[\frac{{{x}^{2}}}{25}-\frac{{{(y-5)}^{2}}}{144}=1\]                    
D.            \[\frac{{{(x-5)}^{2}}}{25}-\frac{{{(y-5)}^{2}}}{144}=1\]
Answer» C.            \[\frac{{{x}^{2}}}{25}-\frac{{{(y-5)}^{2}}}{144}=1\]                    


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