The standard equation of hyperbola is [tex] \frac{ x^{2} }{ a^{2}} - \frac{y^{2} }{ b^{2} } = 1[/tex]. Where a is vertices and b are co-vertices. So, equation come in forth is [tex] \frac{ x^{2} }{ 3^{2} } - \frac{ y^{2} }{ 5^{2} } = 1
\frac{ x^{2} }{ 9 } - \frac{ y^{2} }{ 25 } = 1[/tex]
