for the international student Mathematics Specialists in mathematics publishing HAESE HARRIS PUBLICATIONS & Pamela Vollmar Robert Haese Sandra Haese Mark Humphries Michael Haese for use with IB Middle Years Programme ��������� symbol_pp s mes wti 9 MYP 4 IB MYP_4 magenta cyan yellow black 0 0 5 5 25 25 75 75 50 50 95 95 100 100 0 0 5 5 25 25 75 75 50 50 95 95 100 100 Y:\HAESE\IB_MYP4\IB_MYP4_00\001IB_MYP4_00.CDR Friday, 4 April 2008 1:01:17 PM PETERDELL MATHEMATICS FOR THE INTERNATIONAL STUDENT 9 (MYP 4) Pamela Vollmar B.Sc.(Hons.), PGCE. Michael Haese B.Sc.(Hons.), Ph.D. Robert Haese B.Sc. Sandra Haese B.Sc. Mark Humphries B.Sc.(Hons.) Haese & Harris Publications 3 Frank Collopy Court, Adelaide Airport, SA 5950, AUSTRALIA Telephone: +61 8 8355 9444, Fax: + 61 8 8355 9471 Email: National Library of Australia Card Number & ISBN 978-1-876543-29-7 © Haese & Harris Publications 2008 Published by Raksar Nominees Pty Ltd 3 Frank Collopy Court, Adelaide Airport, SA 5950, AUSTRALIA First Edition 2008 2009 Cartoon artwork by John Martin. Artwork by Piotr Poturaj and David Purton. Cover design by Piotr Poturaj. Computer software by David Purton, Thomas Jansson and Troy Cruickshank. Typeset in Australia by Susan Haese (Raksar Nominees). Typeset in Times Roman 10 /11 The textbook and its accompanying CD have been developed independently of the International Baccalaureate Organization (IBO). The textbook and CD are in no way connected with, or endorsed by, the IBO. . Except as permitted by the Copyright Act (any fair dealing for the purposes of private study, research, criticism or review), 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 or otherwise, without the prior permission of the publisher. Enquiries to be made to Haese & Harris Publications. : Where copies of part or the whole of the book are made under Part VB of the Copyright Act, the law requires that the educational institution or the body that administers it has given a remuneration notice to Copyright Agency Limited (CAL). For information, contact the Copyright Agency Limited. : The publishers acknowledge the cooperation of Oxford University Press, Australia, for the reproduction of material originally published in textbooks produced in association with Haese & Harris Publications. While every attempt has been made to trace and acknowledge copyright, the authors and publishers apologise for any accidental infringement where copyright has proved untraceable. They would be pleased to come to a suitable agreement with the rightful owner. : All the internet addresses (URL’s) given in this book were valid at the time of printing. While the authors and publisher regret any inconvenience that changes of address may cause readers, no responsibility for any such changes can be accepted by either the authors or the publisher. Reprinted \Qw_ \Qw_ This book is copyright Copying for educational purposes Acknowledgements Disclaimer