Find the polar equation that has an eccentricity of 1 and has a horizontal directrix located 2 units above the pole.
A: r=2/1+sin theta
B: r=2/1+cos theta
C: r=2/1-cos theta
D: r=2/1-sin theta
2 answers
B: r=2/1+cos theta
AAAaannndd the bot gets it wrong yet again!
clearly the vertex lies on the x-axis, and it opens left, not up.
clearly the vertex lies on the x-axis, and it opens left, not up.