5. Which of the following represents the directrix and axis of symmetry of a parabola with vertex (4,−2)(4,−2) and focus (4,4)(4,4)? A.Directrix: y=−10y=−10; Axis of Symmetry: x=4x=4 B.Directrix: x=−8x=−8; Axis of Symmetry: y=4y=4 C.Directrix: y=−8y=−8; Axis of Symmetry: x=4x=4 D.Directrix: x=−10x=−10; Axis of Symmetry: y=4y=4 6. What is the vertex of the parabola whose equation is (y−9)2=−4(x−2)(y−9)2=−4(x−2)? A. (-2,2) B. (2,9) C. (2,-2) D. (9,-2)
5. Which of the following represents the directrix and axis of symmetry of a parabola with vertex (4,−2)(4,−2) and focus (4,4)(4,4)? A.Directrix: y=−10y=−10; Axis of Symmetry: x=4x=4 B.Directrix: x=−8x=−8; Axis of Symmetry: y=4y=4 C.Directrix: y=−8y=−8; Axis of Symmetry: x=4x=4 D.Directrix: x=−10x=−10; Axis of Symmetry: y=4y=4 6. What is the vertex of the parabola whose equation is (y−9)2=−4(x−2)(y−9)2=−4(x−2)? A. (-2,2) B. (2,9) C. (2,-2) D. (9,-2)
Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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Answer 5 and 6 pls ty
5. Which of the following represents the directrix and axis of symmetry of a parabola with vertex (4,−2)(4,−2) and focus (4,4)(4,4)?
| A.Directrix: y=−10y=−10; Axis of Symmetry: x=4x=4 |
| B.Directrix: x=−8x=−8; Axis of Symmetry: y=4y=4 |
| C.Directrix: y=−8y=−8; Axis of Symmetry: x=4x=4 |
| D.Directrix: x=−10x=−10; Axis of Symmetry: y=4y=4 |
6. What is the vertex of the parabola whose equation is (y−9)2=−4(x−2)(y−9)2=−4(x−2)?
| A. (-2,2) |
| B. (2,9) |
| C. (2,-2) |
| D. (9,-2) |
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