CliffsNotes® Algebra I
Quick Review

By Jerry Bobrow, Ph.D.
Revised by Ed Kohn, M.S.
2nd Edition

About the Author

Jerry Bobrow, Ph.D., was an award-winning teacher and educator, and his company Bobrow Test Preparation Services is a national authority in the field of test preparation. Bobrow Test Preparation Services has been administering test preparation programs for most California State Universities for the past 34 years. Dr. Bobrow and his faculty have authored more than 30 national best-selling test preparation books including Cliffs Preparation Guides for the GRE, GMAT, CSET, SAT, CBEST, NTE, ACT, and PPST. Each year the faculty of Bobrow Test Preparation Services lectures to thousands of students on preparing for these important exams.

Publisher’s Acknowledgments

Editorial

Acquisitions Editor: Greg Tubach

Project Editor: Kelly D. Henthorne

Technical Editors: David Herzog and Mary Jane Sterling

Composition

Indexer: Potomac Indexing, LLC

Proofreader: Henry Lazarek

Wiley Publishing, Inc. Composition Services

CliffsNotes® Algebra I Quick Review, 2nd Edition

Published by:Wiley Publishing, Inc. 111 River StreetHoboken, NJ 07030-5774 www.wiley.com

Copyright © 2011 Wiley, Hoboken, NJ

Published by Wiley, Hoboken, NJPublished simultaneously in Canada

Library of Congress Cataloging-in-Publication data is available from the publisher upon request.ISBN: 978-0-470-88028-9 (pbk) ISBN: 978-1-118-00534-7 (ebk) ISBN: 978-1-118-18304-5 (ebk), ISBN: 978-1-118-18305-2 (ebk)

Printed in the United States of America

10 9 8 7 6 5 4 3 2 1

No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, scanning, or otherwise, except as permitted under Sections 107 or 108 of the 1976 United States Copyright Act, without either the prior written permission of the Publisher, or authorization through payment of the appropriate per-copy fee to the Copyright Clearance Center, 222 Rosewood Drive, Danvers, MA 01923, 978-750-8400, fax 978-646-8600, or on the web at www.copyright.com. Requests to the Publisher for permission should be addressed to Permissions Department, John Wiley & Sons, Inc., 111 River Street, Hoboken, NJ 07030, (201) 748-6011, fax (201) 748-6008, or online at http://www.wiley.com/go/permissions.

The publisher and the author make no representations or warranties with respect to the accuracy or completeness of the contents of this work and specifically disclaim all warranties, including without limitation warranties of fitness for a particular purpose. No warranty may be created or extended by sales or promotional materials. The advice and strategies contained herein may not be suitable for every situation. This work is sold with the understanding that the publisher is not engaged in rendering legal, accounting, or other professional services. If professional assistance is required, the services of a competent professional person should be sought. Neither the publisher nor the author shall be liable for damages arising herefrom. The fact that an organization or Website is referred to in this work as a citation and/or a potential source of further information does not mean that the author or the publisher endorses the information the organization or Website may provide or recommendations it may make. Further, readers should be aware that Internet Websites listed in this work may have changed or disappeared between when this work was written and when it is read.

Trademarks: Wiley, the Wiley Publishing logo, CliffsNotes, the CliffsNotes logo, Cliffs, CliffsAP, CliffsComplete, CliffsQuickReview, CliffsStudySolver, CliffsTestPrep, CliffsNote-a-Day, cliffsnotes.com, and all related trademarks, logos, and trade dress are trademarks or registered trademarks of John Wiley & Sons, Inc. and/or its affiliates. All other trademarks are the property of their respective owners. Wiley Publishing, Inc. is not associated with any product or vendor mentioned in this book.

For general information on our other products and services or to obtain technical support, please contact our Customer Care Department within the U.S. at (877) 762-2974, outside the U.S. at (317) 572-3993, or fax (317) 572-4002.

John Wiley & Sons, Inc., also publishes its books in a variety of electronic formats and by print-on-demand. Not all content that is available in standard print versions of this book may appear or be packaged in all book formats. If you have purchased a version of this book that did not include media that is referenced by or accompanies a standard print version, you may request this media by visiting http://booksupport.wiley.com. For more information about Wiley products, visit us at www.wiley.com.

Updates to this book are available on the Downloads tab at this site: http://www.wiley.com/WileyCDA/WileyTitle/productCd-0470880287.html. If a Downloads tab does not appear at this link, there are no updates at this time.

Note: If you purchased this book without a cover, you should be aware that this book is stolen property. It was reported as "unsold and destroyed" to the publisher, and neither the author nor the publisher has received any payment for this "stripped book."