### Volume 8, Number 24

 ```16 June 2003 Vol. 8, No. 24 THE MATH FORUM INTERNET NEWS Selected Answers to Common Questions - Ask Dr. Math Visual Math: Functions | Academic Exchange Quarterly SELECTED ANSWERS TO COMMON QUESTIONS - ASK DR. MATH http://mathforum.org/library/drmath/sets/select/ To make browsing easier for common questions, we have collected their answers and organized them under these topics: - About Mathematics - Algebra - Arithmetic - Factoring - Fractions and Decimals - Geometry - Measurement - Percentage - Place Value, Exponents - Probability/Statistics - Puzzles - Ratio/Proportion - Miscellaneous -|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|- VISUAL MATH: FUNCTIONS http://www.cet.ac.il/math/function/english/ The Centre for Educational Technology (CET), an Israeli research and development center for math education, offers activities, tools, and tasks for students to learn about linear and quadratic functions. Linear Functions - Functions Defined on Intervals - Equivalent Expressions of Functions - Addition and Subtraction of Linear Functions - Transformations of Graphs - Rate of Change of Linear Functions - Representations of Linear Functions Quadratic Functions - Equivalent Quadratic Expressions - Comparisons and Operations - Solving Equations - Graphic Design - Motion at Changing Speed - Economic Decisions - Quadratic Growth - Products of Linear Functions - Adding Functions: The Polynomial Form - Graph Transformations: The Vertex Form -|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|- ACADEMIC EXCHANGE QUARTERLY http://rapidintellect.com/AEQweb/4sumath.htm The Academic Exchange Quarterly invites research on affective learning issues such as persistence, self-confidence, attitudes, anxiety, assessment, intervention, and pedagogy. Submissions are welcome from researchers, teacher action researchers, administrators and graduate students, as well as others engaged directly in teaching at the K-16 levels. Regular submission deadline is any time until the end of February 2004. All accepted submissions will be published in the Summer issue, June 2004. Short submission deadline is April 2004. All accepted submissions will be published in the Summer issue, June 2004 or in later issues. Submission Procedure: http://rapidintellect.com/AEQweb/rufen1.htm -|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|- CHECK OUT OUR WEB SITE: The Math Forum http://mathforum.org/ Ask Dr. Math http://mathforum.org/dr.math/ Problems of the Week http://mathforum.org/pow/ Mathematics Library http://mathforum.org/library/ Math Tools http://mathforum.org/mathtools/ Teacher2Teacher http://mathforum.org/t2t/ Discussion Groups http://mathforum.org/discussions/ Join the Math Forum http://mathforum.org/join.forum.html Send comments to the Math Forum Internet Newsletter editors Donations http://deptapp.drexel.edu/ia/GOL/giftsonline1_MF.asp _o \o_ __| \ / |__ o _ o/ \o/ __|- __/ \__/o \o | o/ o/__/ /\ /| | \ \ / \ / \ /o\ / \ / \ / | / \ / \ ```