Find the directrix for the parabola. y = 20 (x+ 2)² - 3 1- x= -1 O y = -1 O y = -8 y 3= O x = -8

Algebra for College Students
10th Edition
ISBN:9781285195780
Author:Jerome E. Kaufmann, Karen L. Schwitters
Publisher:Jerome E. Kaufmann, Karen L. Schwitters
Chapter13: Conic Sections
Section13.CT: Test
Problem 18CT
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4. Find the directrix for the parabola.
1.
y = 7 (x+2)² – 3
x = -1
O y = -1
%D
y = -8
D=
-8
Transcribed Image Text:4. Find the directrix for the parabola. 1. y = 7 (x+2)² – 3 x = -1 O y = -1 %D y = -8 D= -8
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