Concept explainers
To find: The standard form of the equation of the parabola with vertex at origin and directrix
Answer to Problem 57E
The equation of the parabola with vertex at origin and directrix
Explanation of Solution
Given information:
The vertex of the parabola is at origin and directrix
Calculation:
The directrix parabola is parallel to
The standard form of general equation of a horizontal axis parabola is
The general equation of directrix for vertical axis parabola is
Substitute
As given the directrix of parabola is
Substitute
Therefore, the equation of the parabola with vertex at origin and directrix
Chapter 9 Solutions
Precalculus with Limits: A Graphing Approach
- 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