10.3 Hyperbola

A hyperbola is the set of all points (x,y) difference of whose distances from 2 distinct points (foci) is constant.
To solve hyperbola, we need to know the center, vertices, foci, and asymptotes. Center is point h and k; vertices is the a value, which is a distant to the center; foci is c distant to the center, c^2=a^2+b^2. Different equation will have a different hyperbola, and it will also change the direction of the hyperbola.