A mathematical phrase involving at least one variable and sometimes numbers and operation symbols
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Rational Function
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The quotient of two polynomials, P(z) and Q(z), where R(x)=P(z)/Q(z)
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Algebra
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The branch of mathematics that deals with relationships between numbers, utilizing letters and other symbols to represent specific sets of numbers, or to describe a pattern of relationships between numbers.
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Variable
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A letter or symbol used to represent a number.
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Inequality
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Any mathematical sentence that contains the symbols > (greater than), < (less than), < (less than or equal to), or > (greater than or equal to)
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Radical Function
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A function containing a root. The most common radical functions are the square root and cube root functions,
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Coefficient
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A number multiplied by a variable
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Reciprocal
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Two numbers whose product is one
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Equation
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A number sentence that contains an equality symbol
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Polynomial
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A mathematical expression involving the sum of terms made up of variables to nonnegative integer powers and real-valued coefficients
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Extraneous Solutions
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A solution of the simplified form of the equation that does not satisfy the original equation.