Formulas for Conic Sections

 

1.  Circle         

 

 

 

2. Ellipse         

Horizontal Major Axis 

 

 

                        Vertical Major Axis                 

 

                        c² = a² - b²

 

 

3.  Hyperbola  

                       

                        Horizontal Transverse Axis      

 

 

                        Vertical Transverse Axis          

 

                        c² = a² + b²

 

 

4.  Parabola     

 

                        Opens Up or Down                 

 

                        Opens Left or Right