Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Appendix G - Exercise Set - Page 1016: 7

Answer

$h(x) = -\frac{1}{2}|x|$ Vertex=(0,0) x-intercept: (0,0) y-intercept: (0,0)

Work Step by Step

$h(x) = -\frac{1}{2}|x|$ The graph is y=|x| with a dilation of factor $\frac{1}{2}$ from the x-axis and a reflection in the x-axis. As there are no translations, the vertex remains at (0,0). To find the x-intercept, we substitute in y=0. $0 = -\frac{1}{2}|x|$ $x = 0$ Therefore, the x-intercept is (0,0). To find the y-intercept, we substitute in x=0. $y =-\frac{1}{2} \times 0 = 0$ Therefore, the y-intercept is (0,0).
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