20. For y = -x² - 4x +12, find a) The axis of symmetry. b) The coordinates of the vertex. c) The coordinates of the y-intercept. d) The coordinates of the x-intercepts (if any).
20. For y = -x² - 4x +12, find a) The axis of symmetry. b) The coordinates of the vertex. c) The coordinates of the y-intercept. d) The coordinates of the x-intercepts (if any).
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:20. For y = -x² - 4x +12, find
a) The axis of symmetry.
b) The coordinates of the vertex.
c) The coordinates of the y-intercept.
d) The coordinates of the x-intercepts (if any).
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