To find: The equation for the parabola.
Given information:
To write an equation for the parabola.
Concept used:
Parabolas that open to the right or left are inverse relations of upward-or downward opening parabolas. The standard equation for the parabolas that open to the right or left is:
Explanation:
From the graph of the right opening parabola, it follows that:
The vertex
The point
Since the directrix is
The standard equation for the parabolas that open to the right or left is:
Substitute
Chapter 8 Solutions
PRECALCULUS:GRAPHICAL,...-NASTA ED.
- Calculus: Early TranscendentalsCalculusISBN:9781285741550Author:James StewartPublisher:Cengage LearningThomas' Calculus (14th Edition)CalculusISBN:9780134438986Author:Joel R. Hass, Christopher E. Heil, Maurice D. WeirPublisher:PEARSONCalculus: Early Transcendentals (3rd Edition)CalculusISBN:9780134763644Author:William L. Briggs, Lyle Cochran, Bernard Gillett, Eric SchulzPublisher:PEARSON
- Calculus: Early TranscendentalsCalculusISBN:9781319050740Author:Jon Rogawski, Colin Adams, Robert FranzosaPublisher:W. H. FreemanCalculus: Early Transcendental FunctionsCalculusISBN:9781337552516Author:Ron Larson, Bruce H. EdwardsPublisher:Cengage Learning
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