Algebra and Trigonometry 10th Edition

Published by Cengage Learning
ISBN 10: 9781337271172
ISBN 13: 978-1-33727-117-2

Chapter 1 - Review Exercises - Page 152: 2

Answer

The ordered pairs as solution points are written in the table as shown. The sketch of the graph is also as shown.

Work Step by Step

$$y=x^2+2x$$ Substitute $x=-4$ into the equation: $$y=(-4)^2+2(-4)=8$$ Thus, a point on the curve is $(-4,8)$. Similarly, the other ordered pairs as solution points are written in the table as shown. The sketch of the graph is also as shown.
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