Mathematics
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Polynomial Equation: Formula, Rules & Examples
A polynomial equation is an equation formed by setting a polynomial expression equal to another expression, usually zero. In standard…
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Piecewise Function: Formula, Rules & Examples
A piecewise function is a function defined by two or more formulas, with each formula applying to a specified part…
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Pascal Triangle: Formula, Rules & Examples
Pascal triangle is a triangular arrangement of numbers in which each interior number equals the sum of the two numbers…
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Partial Fractions: Definition, Formula & Example
Partial fractions are simpler rational expressions whose sum equals a more complicated rational expression. Partial fraction decomposition reverses the process…
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Logarithmic Equation: Formula, Rules & Examples
A logarithmic equation is an equation in which the unknown appears inside a logarithm. Solving one usually requires converting logarithmic…
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Linear Equation: Formula, Rules & Examples
A linear equation is an equation in which the variable has a highest power of 1. In one variable, a…
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Joint Variation: Formula, Rules & Examples
Joint variation describes a relationship in which one variable varies directly with the product of two or more other variables.…
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Inverse Variation: Formula, Rules & Examples
Inverse variation describes a relationship in which one variable changes in reciprocal proportion to another. When y varies inversely as…
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Inverse Function: Formula, Rules & Examples
An inverse function reverses the action of another function. If a function f takes an input x and produces an…
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Inequality: Formula, Rules & Examples
An inequality compares two expressions and shows that one is greater than, less than, greater than or equal to, or…
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