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Peer reviewedGrewal, A. S.; Godloza, L. – International Journal of Mathematical Education in Science and Technology, 1999
Demonstrates that the equation of a circle (x-h)2 + (y-k)2 = r2 with center (h; k) and radius r reduces to a quadratic equation x2-2xh + (h2 + k2 -r2) = O at the intersection with the x-axis. Illustrates how to determine the center of a circle as well as a point on a circle. (Author/ASK)
Descriptors: Algebra, Geometric Concepts, Mathematical Applications, Mathematics Activities
Peer reviewedChae, K. C.; Lee, H. W. – International Journal of Mathematical Education in Science and Technology, 1997
Considers the random sum SN+X1+X2+...+XN with a stopping rule N=min((n: SN absorbing Markov chain. (AIM)
Descriptors: Algebra, Computation, Equations (Mathematics), Functions (Mathematics)
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