6.3.1 REVIEW A Test Review

Identify the vertices and co-vertices of the ellipse.

vertices: ​ (a)  

co-vertices: ​ (b)  

• vertex (5, -10);

  focus (5, -8);

  directrix y=-12

• vertex (-10, 5);

  focus (-10, 5.5);

  directrix y=4.5

• vertex (-5, 10);

  focus (-5, 12);

  directrix y=8

• vertex (10, -5);

  focus (-10, -4.5);

  directrix y=-5.5

Match each graph with the correct equation.

• 
• 
• 
• 

Determine if the equation is a circle, ellipse, or a hyperbola.

Groups:

(a) circle

,

(b) ellipse

,

(c) hyperbola