258 Videos for "rational"

Using the Conjugate Zeros Theorem  Concept
Math › Precalculus › Polynomial and Rational Functions
How we find the zeros of a polynomial function when one imaginary zero is known. 
Using the Conjugate Zeros Theorem  Problem 1
Math › Precalculus › Polynomial and Rational Functions
How we find the zeros of a quartic (4th degree polynomial) function when one imaginary zero is known. 
Using the Conjugate Zeros Theorem  Problem 3
Math › Precalculus › Polynomial and Rational Functions
How we find the zeros of a quintic (5th degree polynomial) function when two imaginary zeros are known. 
Graphing Polynomial Functions with Repeated Factors  Problem 2
Math › Precalculus › Polynomial and Rational Functions
How we graph a quartic (4th degree polynomial) function with three repeated factors. 
Graphing Polynomial Functions with Repeated Factors  Problem 1
Math › Precalculus › Polynomial and Rational Functions
How we graph a cubic (3rd degree polynomial) function with one repeated factor. 
Using the Conjugate Zeros Theorem  Problem 2
Math › Precalculus › Polynomial and Rational Functions
How we find the zeros of a quartic (4th degree polynomial) function when one imaginary zero is known. 
Graphing Polynomial Functions with Repeated Factors  Problem 3
Math › Precalculus › Polynomial and Rational Functions
How we graph a quintic (5th degree polynomial) function with two repeated factors. 
Continuous Functions  Problem 2
Math › Calculus › Limits and Continuity
How to show that rational functions are continuous functions. 
Common Algebra II Mistakes  Problem 1
Math › Algebra 2 › Additional Topics
How to avoid making a mistake when simplifying rational expressions. 
Limits and End Behavior  Problem 3
Math › Calculus › Limits and Continuity
How to determine the oblique asymptote of the graph of a rational function to determine end behavior. 
Limits and End Behavior  Problem 1
Math › Calculus › Limits and Continuity
Observing end behavior, how to find the limit of a rational function as x goes to infinity (or minus infinity), and how to determine the horizontal asymptote of its graph. 
Evaluating Limits Algebraically, Part 2  Problem 1
Math › Calculus › Limits and Continuity
How to evaluate the limit of a function at points where it is not continuous. Finding points of discontinuity of rational functions and canceling factors so that the function becomes continuous. 
Infinite Limits; Vertical Asymptotes  Problem 2
Math › Calculus › Limits and Continuity
How to use an algebraic approach to find onesided limits of a rational function, and how these limits can be used to find a vertical asymptote. 
Domain and Range  Problem 5
Math › Algebra › Graphs and Functions
Finding the domain restrictions on algebraic expressions including radical and rational expressions 
The Quadratic Formula  Problem 12
Math › Algebra › Quadratic Equations and Functions
Rational solutions from the quadratic formula means factoring would be possible, as well. 
Solving Radical Equations  Concept
Math › Algebra › Radical Expressions and Equations
How to solve rational equations. 
Domain and Range  Problem 4
Math › Algebra 2 › Functions
Common domain and range restrictions from equations including rational, radical, and exponential functions. 
Domain and Range  Problem 3
Math › Algebra 2 › Functions
How to fine the domain of a rational function. 
Solving Radical Equations  Problem 14
Math › Algebra › Radical Expressions and Equations
Finding the domain of a rational function algebraically by setting the radicand greater than or equal to zero. 
Solving Radical Equations  Problem 2
Math › Algebra › Radical Expressions and Equations
How to solve rational equations when the radical needs to be isolated.