evaluating rational exponents 81 videos

Introduction to Rational Functions
Algebra Rational Expressions and Functions
How to find excluded values of a rational function.
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Multiplying and Dividing Rational Expressions
Algebra 2 Rational Expressions and Functions
How to multiply and divide rational expressions.
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Adding and Subtracting Rational Expressions
Algebra 2 Rational Expressions and Functions
How to add and subtract rational expressions.
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Introduction to Rational Functions
Precalculus Polynomial and Rational Functions
How to define rational functions, and how to identify their domain and zeros.
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Limits of Rational Functions
Precalculus Polynomial and Rational Functions
How to evaluate the limit of k/x^n as x goes to infinity (or negative infinity).
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Evaluating Limits Algebraically, Part 1
Calculus Limits and Continuity
How to evaluate the limit of a function using continuity.
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Solving a Rational Equation for a parameter
Algebra 2 Rational Expressions and Functions
How to solve a simple rational equation for a parameter.
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Evaluating Limits Algebraically, Part 2
Calculus Limits and Continuity
How to evaluate the limit of a function at points where it is not continuous.
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Graphing Rational Functions, n>m
Precalculus Polynomial and Rational Functions
How to find the oblique asymptote of a rational function, if it has one.
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Graphing Rational Functions, n=m
Precalculus Polynomial and Rational Functions
How to recognize when a rational function has a horizontal asymptote, and how to find its equation.
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Evaluating the Tangent Function
Trigonometry Trigonometric Functions
How to evaluate the tangent of 3*pi/4.
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Evaluating the Tangent Function
Precalculus Trigonometric Functions
How to evaluate the tangent of 3*pi/4.
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Graphing Rational Functions, n less than m
Precalculus Polynomial and Rational Functions
How to recognize when y = 0 is the horizontal asymptote of a rational function.
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Adding and Subtracting Rational Expression
Algebra Rational Expressions and Functions
How to add or subtract rational expressions.
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Solving a Rational Equation
Algebra 2 Rational Expressions and Functions
How to solve a simple rational equation.
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Graphing a Rational Expression
Algebra 2 Rational Expressions and Functions
How to graph a basic rational equation.
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Solving Rational Equations with Like Denominators
Algebra Rational Expressions and Functions
How to solve rational equations by clearing the denominator.
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Solving Rational Equations with Unlike Denominators
Algebra Rational Expressions and Functions
How to solve rational equations with unlike denominators.
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Substituting and Evaluating
PreAlgebra Polynomials
Vocabulary of monomials and polynomials, including nonexamples

Graphs with Holes
Precalculus Polynomial and Rational Functions
How to graph a rational function when there is a common factor in the numerator and denominator
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