A graphing calculator is recommended. A polar equation of a conic is given. r = 4 - 3 cos(0) (a) Find the eccentricity. e = |-2 Find the directrix of the conic (as an equation in rectangular coordinates). 2 (b) If this conic is rotated about the origin through the given angle 0, write the resulting equation (in polar coordinates). 4 r = 5

Algebra and Trigonometry (MindTap Course List)
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Chapter12: Conic Sections
Section12.CT: Chapter Test
Problem 17CT
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A graphing calculator is recommended.
A polar equation of a conic is given.
r =
4 - 3 cos(0)
(a) Find the eccentricity.
e = |-2
Find the directrix of the conic (as an equation in rectangular coordinates).
2
(b) If this conic is rotated about the origin through the given angle 0, write the resulting equation (in polar coordinates).
4
r =
5
Transcribed Image Text:A graphing calculator is recommended. A polar equation of a conic is given. r = 4 - 3 cos(0) (a) Find the eccentricity. e = |-2 Find the directrix of the conic (as an equation in rectangular coordinates). 2 (b) If this conic is rotated about the origin through the given angle 0, write the resulting equation (in polar coordinates). 4 r = 5
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