This is a bit are to read so I'm unable to solve
Answer:
So (1,3) is <em>a</em> vertex (out of two) of the hyperbola.
Step-by-step explanation:
The vertices are marked by the dot on the hyperbola.
They are (1,3) and (1,-7).
However, (1,-7) is not on the list of answer choices, but (1,3) is.
So (1,3) is a vertex (out of two) of the hyperbola.
X=90 you have to make the two equations equal