Circles and Ellipses Review

• (2, 1)

• (-2, -1)

• (5, 6) 

• (-3, -5)

Which is the radius of the circle with equation (x - 2)² + (y + 4)² = 9

• 81

• 3

• 9

• 4.5

• horizontal

• vertical

• (0, 7)

• (0, -7)

• (1, 7)

• (1, -7)

• 4

• 9

• 6

• 3

• (-5,1) and (-1,1)

• (±√3,0)

• (0,1) and (-6,1)

• (√3 - 3,1) and (-√3 - 3,1)

What are the vertices of the ellipse?

• (0, 0)

• (7, 1) and (-1, 1)

• (3, -5) and (3, 7)

• (3, 1)

What are the co-vertices of the ellipse?

• (-5,3)

• (-5,0) and (-5,6)

• (3,-5)

• (-10, 3) and (0,3)

What are the major vertices of the ellipse?

• (0, 0)

• (7, 1) and (-1, 1)

• (3, -5) and (3, 7)

• (3, 5) and (4, 7)

Write the standard form equation of an ellipse that has:

center (-5, 6)

vertex (-5, -4)

co-vertex (-13, 6)