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stepan [7]
2 years ago
15

A hyperbola centered at the origin has a vertex at (9, 0) and a focus at (−15, 0).

Mathematics
2 answers:
konstantin123 [22]2 years ago
7 0

Answer:

C

Step-by-step explanation:

e-lub [12.9K]2 years ago
4 0
Hyperbola equation opening horizontally:
\frac{x^2}{a^2} - \frac{y^2}{b^2} = 1
Asymptotes:
y = \pm \frac{b}{a} x

'a' is distance vertex is from center --> a = 9
'c' is distance focus is from center  --> c = 15
a^2 + b^2 = c^2 \\  \\ b^2 = 15^2 - 9^2 = 144 \\  \\ b = 12

Asymptotes are:
y = \pm \frac{12}{9} x = \pm \frac{4}{3} x
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