#### Answer

$x$ axis and $y$ axis.

#### Work Step by Step

The point $(x,0)$ lies on the $x$ axis for any value of $x$.
The point $(0,y)$ lies on the $y$ axis for any value of $y$.
These are the definitions of coordinates.

Published by
Pearson

ISBN 10:
0321969359

ISBN 13:
978-0-32196-935-4

$x$ axis and $y$ axis.

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