1. Consider the parabola whose directrix is at x = -7 and whose focus is at (-1, 1). What is the equation of its axis of symmetry? Where is its vertex? What is its equation in standard form?

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter3: Functions And Graphs
Section: Chapter Questions
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John Scalea
1. Consider the parabola whose directrix is at x = -7 and whose focus is at (-1, 1).
What is the equation of its axis of symmetry?
Where is its vertex?
What is its equation in standard form?
What are the coordinates of the endpoints of the latus rectum?
What is its focal length?
Sketch a graph of the parabola on the axes below and to the left.
6.
6.
4
4
--6---4---2---+---2---4---6--
--6---4---2----
2---4---6--
2. Consider the parabola whose equation is (x + 5)² = -16(y – 7).
a. What are the coordinates of the vertex?
b. What is the equation of its axis of symmetry?
n dinati
111 111
111
Transcribed Image Text:John Scalea 1. Consider the parabola whose directrix is at x = -7 and whose focus is at (-1, 1). What is the equation of its axis of symmetry? Where is its vertex? What is its equation in standard form? What are the coordinates of the endpoints of the latus rectum? What is its focal length? Sketch a graph of the parabola on the axes below and to the left. 6. 6. 4 4 --6---4---2---+---2---4---6-- --6---4---2---- 2---4---6-- 2. Consider the parabola whose equation is (x + 5)² = -16(y – 7). a. What are the coordinates of the vertex? b. What is the equation of its axis of symmetry? n dinati 111 111 111
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