Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 3 - Solving Inequalities - 3-5 Working with Sets - Lesson Check - Page 197: 7



Work Step by Step

If $A\subseteq B$, then every member of A is also a member of B. If $B\subseteq A$, then every member of B is also a member of A. If $A\subseteq B$ and B contains members that A does not, then $B\nsubseteq A$. Two sets can be subsets of each other only when they contain exactly the same members.
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