Intermediate Algebra (12th Edition)

Published by Pearson
ISBN 10: 0321969359
ISBN 13: 978-0-32196-935-4

Chapter 2 - Section 2.1 - Linear Equations in Two Variables - 2.1 Exercises: 12


At least one of the coordinates must be zero.

Work Step by Step

If a point lies on an axis ($x$ or $y$ axis), then one of the coordinates must be zero: $(x,0)$ or $(0,y)$. Otherwise, the point would not be able to touch the axis (the axes have the equations $y=0$ and $x=0$).
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