Elementary Geometry for College Students (7th Edition) Clone

Published by Cengage
ISBN 10: 978-1-337-61408-5
ISBN 13: 978-1-33761-408-5

Chapter 10 - Review Exercises - Page 494: 14

Answer

The x-intercept is (7,0), and the y-intercept is (0,3).

Work Step by Step

To find the x and y intercepts, we plug in 0 for y and x, respectively: $ 3x +7(0) = 21 \\ x =7$ $3(0) + 7y = 21 \\ y =3 $ The x-intercept is (7,0) and the y-intercept is (0,3). To draw the graph, plot each of these points, and then draw a lie that goes through both.
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