Concept explainers
To write: The equation of the parabola whose directrix is parallel to the x -axis and the parabola passes through points at
Answer to Problem 32E
Explanation of Solution
Given information: Directrix is parallel to the x -axis and the parabola passes through points at
Calculation:
Use the given points to create a system of equations of the form:
Solving this system gives you:
Completing the square gives you:
The graph:
Chapter 10 Solutions
Advanced Mathematical Concepts: Precalculus with Applications, Student Edition
Additional Math Textbook Solutions
University Calculus: Early Transcendentals (3rd Edition)
Calculus: Early Transcendentals (3rd Edition)
University Calculus: Early Transcendentals (4th Edition)
Calculus: Early Transcendentals (2nd Edition)
Thomas' Calculus: Early Transcendentals (14th Edition)
Precalculus
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