Conics and Polar

• x = -6 , ellipse

• x = 3 , parabola

• x = -6 , hyperbola

• x = -3 , hyperbola

Write the polar equation of the conic if e = 1 and the directrix is y = 4

What is the equation of the circle shown in the graph?

Mathematical Equivalence

ON

• e = 1

• e = 3/2

• e = 2

• e = 1/2

• e = 3

Which of the following is NOT a polar equation of a conic?

Find the polar equation of the conic whose focus is at the pole, eccentricity is 2/5 and the equation of the directrix is x = -3.

See Picture

• A

• B

• C

• D