y? /a? +x? /b? = 1 (focusing on y axis)
Answer? -B? =c?
Hyperbola: x? /a? -Really? /b? = 1 (focus on x axis) asymptote: y=+-b/ax
y? /a? -x? /b? = 1 (focusing on y axis) y=+-a/bx
Answer? +b? =c?