Chapter 9 – Flipped Classroom Resources
9.1 Inverse Variation
Tutorials (Videos)
Direct & Inverse Variation Video (9:54 minutes)
http://www.khanacademy.org/math/algebra/algebra-functions/direct_inverse_variation/v/direct-and-inverse-variation
Proportionality Constant for Direct Variation (1:44 minutes)
http://www.khanacademy.org/math/algebra/algebra-functions/direct_inverse_variation/v/proportionality-constantfor-direct-variation
Direct, Inverse & Joint Variation (5:30 minutes)
http://www.khanacademy.org/math/algebra/algebra-functions/direct_inverse_variation/v/direct-inverse-and-jointvariation
Tutorials (not videos)
Lesson:
Direct Variation (includes joint variation)
http://www.regentsprep.org/Regents/math/algtrig/ATE7/Direct%20Variation.htm
Lesson:
Inverse Variation (with combination)
http://www.regentsprep.org/Regents/math/algtrig/ATE7/Inverse%20Variation.htm
Practice
Direct & Inverse Variation (6 problems)
http://www.regentsprep.org/Regents/math/algtrig/ATE7/variation%20practice%201.htm
Solving Combinations of Variations (5 problems)
http://www.regentsprep.org/Regents/math/algtrig/ATE7/variation%20practice%202.htm
Textbook
Table of Combined Variations (p. 480)
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9.2 Graphing Inverse Variations
Tutorial (video)
http://www.youtube.com/watch?v=FspLs-8GVWE
(9:33 minutes)
Another inverse variation example (not a video)
http://www.regentsprep.org/Regents/math/algtrig/ATE7/Inverse%20Variation.htm
Some good practice problems worked out for you:
http://www.kenston.k12.oh.us/khs/academics/math/AA_9-2_Graphing_Direct_and_Inverse_Functions_2012.pdf
9.3 Rational Functions and Their Graphs
Tutorials (Videos)
http://www.khanacademy.org/math/trigonometry/polynomial_and_rational/asymptotes-graphingrational/v/asymptotes-of-rational-functions (21:06 minutes)
http://www.khanacademy.org/math/trigonometry/polynomial_and_rational/asymptotes-graphing-rational/v/anotherrational-function-graph-example (8:20 minutes)
http://www.khanacademy.org/math/trigonometry/polynomial_and_rational/asymptotes-graphing-rational/v/a-thirdexample-of-graphing-a-rational-function (11:31 minutes)
Tutorial (Not a video)
http://www.purplemath.com/modules/grphrtnl.htm
9.4 Rational Expressions
Tutorials (Videos)
http://www.khanacademy.org/math/algebra/rational-expressions/rational_expressions/v/multiplying-and-dividingrational-expressions-1 (3:38 minutes)
http://www.khanacademy.org/math/algebra/rational-expressions/rational_expressions/v/multiplying-and-dividingrational-expressions-2 (4:52 minutes)
http://www.khanacademy.org/math/algebra/rational-expressions/rational_expressions/v/multiplying-and-dividingrational-expressions-3 (4:10 minutes)
Tutorials (more examples – not videos)
http://www.regentsprep.org/Regents/math/algtrig/ATO2/lessonmult.htm
http://www.regentsprep.org/Regents/math/algtrig/ATO2/lessonmult.htm
Practice
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http://www.regentsprep.org/Regents/math/algtrig/ATO2/practicemult.htm (5 problems)
http://www.regentsprep.org/Regents/math/algtrig/ATO2/practicediv.htm (5 problems)
9.5 Adding and Subtracting Rational Expressions
Tutorials (videos)
http://www.khanacademy.org/math/algebra/rational-expressions/rational_expressions/v/adding-and-subtractingrational-expressions (2:56 minutes)
http://www.khanacademy.org/math/algebra/rational-expressions/rational_expressions/v/adding-and-subtractingrational-expressions-2 (4:36 minutes)
http://www.khanacademy.org/math/algebra/rational-expressions/rational_expressions/v/adding-and-subtractingrational-expressions-3 (8:15 minutes)
More Tutorials (more examples – not videos)
http://www.regentsprep.org/Regents/math/algtrig/ATO2/addfrac.htm (6 more examples)
Practice
http://www.regentsprep.org/Regents/math/algtrig/ATO2/addfracprac.htm
(6 problems)
The link below provides practice with simplifying rational expressions (not adding and subtracting)
http://www.regentsprep.org/Regents/math/algtrig/ATO2/PAlgFrac.htm (5 problems)
9.6 Solving Rational Equations
Videos
http://www.khanacademy.org/math/algebra/rational-expressions/rational_expressions/v/solving-rational-equations-1
(4:12 minutes)
http://www.khanacademy.org/math/algebra/rational-expressions/rational_expressions/v/solving-rational-equations-2
(4:08 minutes)
http://www.khanacademy.org/math/algebra/rational-expressions/rational_expressions/v/solving-rational-equations-3
(4:32 minutes)
Tutorial (not a video)
http://www.regentsprep.org/Regents/math/algtrig/ATE11/RationalEquationsLes.htm
Practice
http://www.regentsprep.org/Regents/math/algtrig/ATE11/RationalEqPract.htm (9 problems)
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