Concept explainers
To find: The vertex, focus, and directrix of parabola and sketch the graph.
Answer to Problem 2RE
Explanation of Solution
Given information:
Calculation:
Compare the given equation of parabola with the standard equation of parabola to find its vertex, focus and directrix i.e.
Given parabola
We may also write it as
Now, this equation is of standard form
Here, vertex of parabola
Now, focus of parabola
Now, Directrix
Note: - Identify the values of
Chapter 11 Solutions
Precalculus: Mathematics for Calculus - 6th Edition
- 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