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McDougal Littell

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Question
Answer
Proportion   An equation that states two ratios are equal.  
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Extremes of a proportion   In the proportion a/b=c/d a and d are the extremes.  
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Means of a proportion   In the proportion a/b=c/d b and c are the means.  
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Extraneous Solution   A trial solution that does not satisfy the orginal equation.  
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Base number of a percent equation   The number that is being compared to in any percent equation.  
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Inverse variation   The relationship of two variables x and y if there is a non zero number.  
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Constant of variation   The constant variation model.  
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Rational number   A number that can be written as the quotient of two integers.  
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Rational expression   A fraction whos numerator, denominator, or both numerator and denominator are nonzero polynomials.  
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Simplified rational expression   A rational expression is simplified if its numerator and denominator have no factors in common.  
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Geometric Probability   The probability P is that an object is tossed onto Region A and lands in Region B.  
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Least common denominator   The least common multiple of the denominators of two or more fractions.  
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Rational Equation   An equation that contains rational expression.  
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Rational Function   A function form f(x)=polynomial/polynomial  
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Hyperbola   The graph of a rational function.  
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Center of a hyperbola   The point (h,k) in the graph of the rational function.  
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Asymptote   A line that graph approaches. The distance between the graph and the line approaches zero.  
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