7. For the parabola 4x + 2y² + 8 = 0, fine the directrix. (a) y = x = (C) 3 N|WN| W | 2 (b) (d) x = 0 y= 0

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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7. For the parabola 4x + 2y² + 8 = 0, fine the directrix.
(a) y = -
(c)
x =
3
N|WN| W
T
(b) x = 0
(d)
y=0
Transcribed Image Text:7. For the parabola 4x + 2y² + 8 = 0, fine the directrix. (a) y = - (c) x = 3 N|WN| W T (b) x = 0 (d) y=0
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