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Direct linkNinness, Chris; Barnes-Holmes, Dermot; Rumph, Robin; McCuller, Glen; Ford, Angela M.; Payne, Robert; Ninness, Sharon K.; Smith, Ronald J.; Ward, Todd A.; Elliott, Marc P. – Journal of Applied Behavior Analysis, 2006
Following a pretest, 8 participants who were unfamiliar with algebraic and trigonometric functions received a brief presentation on the rectangular coordinate system. Next, they participated in a computer-interactive matching-to-sample procedure that trained formula-to-formula and formula-to-graph relations. Then, they were exposed to 40 novel…
Descriptors: Equations (Mathematics), Cues, Trigonometry, Algebra
Peer reviewedEsty, Warren W. – Mathematics Teacher, 1991
In polar coordinates, the intersection of the graphs of two functions, f(x) and g(x), does not always correspond to the solutions of the equation f(x) = g(x). Presented are examples to illustrate this concept, proofs demonstrating why this is true, and a computer program to simultaneously plot polar coordinate graphs. (MDH)
Descriptors: Analytic Geometry, Computer Assisted Instruction, Computer Graphics, Equations (Mathematics)
