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Waits, Bert K.; Demana, Franklin – Mathematics Teacher, 1989
An approach to finding the rational roots of polynomial equations based on computer graphing is given. It integrates graphing with the purely algebraic approach. Either computers or graphing calculators can be used. (MNS)
Descriptors: Algebra, Computer Oriented Programs, Equations (Mathematics), Geometric Concepts
Computer Algebra Systems in Education Newsletter, 1990
Computer Algebra Systems (CAS) are computer systems for the exact solution of problems in symbolic form. The newspaper is designed to serve as a conduit for information and ideas on the use of CAS in education, especially in lower division college and university courses. Articles included are about CAS programs in several colleges, experiences…
Descriptors: Algebra, Calculus, College Mathematics, Computer Assisted Instruction
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Naraine, Bishnu – Mathematics Teacher, 1993
Explores the concept of extraneous roots in radical equations using an alternative to traditional algebraic methods. Using calculator- or computer-based graphs, accounts for extraneous roots by examining the four possible cases of systems of equations that can produce the solution to the radical equation. (MDH)
Descriptors: Algebra, Analytic Geometry, Computer Assisted Instruction, Computer Oriented Programs