What is a parabola in words? I know what they look like and how to make one but geometrically speaking with focus and directrix what are they? Do they have to do with conics?

College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
Publisher:Ron Larson
Chapter4: Rational Functions And Conics
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What is a parabola in words? I know what they look like and how to make one but geometrically speaking with focus and directrix what are they? Do they have to do with conics?

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