Precalculus (6th Edition)

Published by Pearson
ISBN 10: 013421742X
ISBN 13: 978-0-13421-742-0

Chapter 10 - Analytic Geometry - 10.1 Parabolas - 10.1 Exercises - Page 966: 1

Answer

a) D b) B c) C d) A e) F f) H g) E h) G

Work Step by Step

a) The graph is not reflected on any axes, so it opens up. It has been transformed 2 units up and 4 units left, so its vertex is at (-4, 2). b) The graph is not reflected on any axes, so it opens up. It has been transformed 4 units up and 2 units left, so its vertex is at (-2, 4). c) The graph is reflected on the x axis, so it opens down. It has been transformed 2 units up and 4 units left, so its vertex is at (-4, 2). d) The graph is reflected on the x axis, so it opens down. It has been transformed 4 units up and 2 units left, so its vertex is at (-2, 4). e) The graph has been inverted and not reflected, so it opens to the right. It has been transformed 2 units right and 4 units down, so its vertex is (2, -4). f) The graph has been inverted and not reflected, so it opens to the right. It has been transformed 4 units right and 2 units down, so its vertex is (4, -2). g) The graph has been inverted and reflected on the y axis, so it opens to the left. It has been transformed 2 units right and 4 units down, so its vertex is (2, -4). h) The graph has been inverted and reflected on the y axis, so it opens to the left. It has been transformed 4 units right and 2 units down, so its vertex is (4, -2).
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