#### Answer

It forms a boundary by indicating which numbers can and cannot make an inequality true.

#### Work Step by Step

This relates to a boundary because a boundary also shows which parts are valid/not valid.

Published by
Prentice Hall

ISBN 10:
0133186024

ISBN 13:
978-0-13318-602-4

It forms a boundary by indicating which numbers can and cannot make an inequality true.

This relates to a boundary because a boundary also shows which parts are valid/not valid.

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