Without graphing, determine the focus, directrix, axis, and direction of each parabola whose vertex is at the origin. 1.x² Focus: Axis: Directrix: == Opens: 2. y² Focus: -20y Axis: Directrix: Opens: X

Trigonometry (11th Edition)
11th Edition
ISBN:9780134217437
Author:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Publisher:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Chapter1: Trigonometric Functions
Section: Chapter Questions
Problem 1RE: 1. Give the measures of the complement and the supplement of an angle measuring 35°.
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Without graphing, determine the focus, directrix, axis, and direction of each parabola whose vertex is at the origin.
1. x² -20y
Focus:
Directrix:
Axis:
Opens:
2. y² = 16x
Focus:
Directrix:
Axis:
Opens:
Transcribed Image Text:Without graphing, determine the focus, directrix, axis, and direction of each parabola whose vertex is at the origin. 1. x² -20y Focus: Directrix: Axis: Opens: 2. y² = 16x Focus: Directrix: Axis: Opens:
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