Elementary Geometry for College Students (6th Edition)

Published by Brooks Cole
ISBN 10:
ISBN 13:

Chapter 10 - Review Exercises - Page 485: 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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