rational functions 179 videos

Introduction to Rational Functions
Algebra Rational Expressions and Functions
How to find excluded values of a rational function.
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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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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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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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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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Simplifying Rational Functions with Factoring and GCFs
Algebra Rational Expressions and Functions
How to simplify rational expressions.
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Definition and Domain of a Rational Expression
Algebra 2 Rational Expressions and Functions
How to define a rational expression.
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Dividing Radicals and Rationalizing the Denominator
Algebra Radical Expressions and Equations
How to rationalize denominators.
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Rational Roots Theorem
Algebra 2 Factoring
How to use the rational roots theorem.
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Rationalizing the Denominator with Higher Roots
Algebra 2 Roots and Radicals
How to rationalize the denominator with a higher root.
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Rationalizing a Denominator with a Binomial
Algebra 2 Roots and Radicals
How to rationalize a denominator by multiplying by the conjugate.
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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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Rules for Rational Exponents
Algebra 2 Roots and Radicals
How to simplify an expression with rational exponents.
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Finding the Domain of a Function
Precalculus Introduction to Functions
How to find the domain of a function when it has rational or radical expressions.
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Logarithmic Functions
Precalculus Exponential and Logarithmic Functions
How to graph logarithmic functions.
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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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Power Functions
Precalculus Polynomial and Rational Functions
How we define power functions, and which of our parent functions belong to this family.
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Exponential Functions
Precalculus Exponential and Logarithmic Functions
How to graph exponential functions.
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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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