Algebra: A Combined Approach (4th Edition)

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

Chapter 3 - Review - Page 273: 18

Answer

points in the graph $$\left(0,0\right),(-2,4),\left(-1,2\right),(1,-2),(2,-4)$$

Work Step by Step

$$y = -2x$$ We can graph the equation by setting arbitrary values for $x$. If $x=0$ $$y = -2x$$ $$y = -2(0)$$ $$y=0$$ We then have point $(0,0)$. If $x=-2$ $$y = -2x$$ $$y = -2(-2)$$ $$y=4$$ We then have point $(-2,4)$. If $x=-1$ $$$y = -2x$$ $$y = -2(-1)$$ $$y=2$$ We then have point $(-1,2)$. If $x=1$ $$$y = -2x$$ $$y = -2(1)$$ $$y=-2$$ We then have point $(1,-2)$. If $x=2$ $$$y = -2x$$ $$y = -2(2)$$ $$y=-4$$ We then have point $(2,-4)$.
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