**Interactive demonstration of a mathematical relation. See ball drop as a function of distance over time.

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Rational expressions

About Rational Expressions

In math a rational expression is , well, rational. That means that the fraction is not undefined and usually boils down to making sure that the denominator is not zero! a big no no

simiplify rational expressions | how to multiply and divide rational expressions | how to add rational expressions | how to subtract rational expressions

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probability of dependent eventsprobability of independent eventslaw of sinesambiguous case of the law of sines addition property of equalityisosceles triangle