Transcription of Alg II Formula Sheet - Virginia Department of Education …
1 Algebra II Formula Sheet2009 Mathematics Standards of Learning S211andSequence and Series Formulas:nrPermutations andCombinations Formulas:Ifand are positive integers andCnnrrnr!!()!nPnnrnr!()!r,Quadratic Formula :, wherebbacxa24220and0axbxcaStatistics Formula :Geometric Formulas:bhAbh12sspsAs24lwplwAlw22acbabc 222 ArithmeticGeometricnaand1(1)nnnSaa1()2nn 2nnaar11aSrr1,1(1)nnaad1nnaar1nnarSrr1(1 ),1(1)represents an element of the data set,represents the mean of the data set, andrepresents the standard deviation of thedata setxGiven:anSndrrepresents the value of nth termrepresents the sum of first n termsrepresents the sum of an infinite geometric seriesrepresents the common ratiorepresents the common differenceSGiven:Copyright 2011 by the Commonwealth of Virginia , Department of Education , Box 2120, Richmond, Virginia23218-2120.
2 All rights reserved. Except as permitted by law, this material may not be reproduced or used in any form orby any means, electronic or mechanical, including photocopying or recording, or by any information storage or retrievalreproduce any portion of this mathematics Formula Sheet for non-commercial educational purposes without requestingpermission. All others should direct their written requests to the Virginia Department of Education , Division of StudentAssessment and School Improvement, at the above address or by e-mail to without written permission from the copyright owner. Commonwealth of Virginia public school educators mayz-scorexz()
