Brian McLogan
Factoring every numerator and denominator when multiplying rational expressions
Learn how to multiply rational expressions. A rational expression is an expression in the form of a fraction where the numerator and/or the denominator are/is an algebraic expression. To multiply two rational expressions, we use the...
Khan Academy
Adding Rational Expressions Example 1
At just under four minutes, this video is a great way to reinforce your lecture on adding rational expressions. Add it to a review session before a unit test, or assign it for homework in your algebra class.
Khan Academy
Multiplying and Dividing Rational Expressions 1, Algebra II
Provide your algebra class with some review of rational expressions in this video. Sal uses several sample problems to show viewers the process, and his explanations are clear and easy to understand.
Khan Academy
Multiplying and Dividing Rational Expressions 1, Algebra II
Provide your algebra class with some review of rational expressions in this video. Sal uses several sample problems to show viewers the process, and his explanations are clear and easy to understand.
Khan Academy
Exponent Properties Involving Quotients (Examples)
This video focuses on a series of problems involving exponent properties. Sal demonstrates rational expressions, simplifying fractions, and manipulating algebraic equations using exponents and division.
Khan Academy
Multiplying and Dividing Rational Expressions 2, Algebra II
Provide your algebra class with some review of rational expressions in this video. Sal uses several sample problems to demonstrate the process, and his explanations are clear and easy to follow.
Curated OER
Adding Rational and Subtracting Expressions Example 3
Finishing up his short series on rational expressions, Sal reviews the concept with another example. Those who have a hard time with rational expressions will appreciate the clarity with which Sal explains his process and methodology.
Khan Academy
Simplifying Rational Expressions (Old Video)
Here is a quick look at how one could simplify a monomial expression involving division. Sal works on a problem and briefly explains his process. Great as a concept review.
Flipped Math
Dividing Polynomials
Divide and conquer factoring. Learners see how dividing polynomials is similar to long division of numbers. Pupils learn how to use long division of polynomials to help find factors of higher degree polynomials. They then use their...
Flipped Math
Add and Subtract Rational Expressions
Combine a video with the lesson on combining rational expressions. Young mathematicians first review how to add and subtract rational numbers. They then learn how to apply the same reasoning to add and subtract rational expressions by...
Flipped Math
Multiply and Divide Rational Expressions
It doesn't need to be complex. The second of five installments in the Algebra II - Rational Expressions unit focuses on multiplying and dividing rational expressions. Scholars learn how to perform these operations as well as how to...
Flipped Math
Simplify Rational Expressions
Don't be excluded from learning about rational expressions. Viewers of an educational video first find values that are excluded from the domain of rational expressions. They then see how to simplify rational expressions by factoring the...
Corbett Maths
Dividing Algebraic Fractions
Do the keep, change, flip dance. The resource shows that the division of algebraic fractions follows the same rules as dividing numerical fractions. Pupils understand that if they can multiply rational expressions, they can divide...
Corbett Maths
Multiplying Algebraic Fractions
Make the complicated look relatively simple. The video shows how multiplication of algebraic fractions is easier when they factor the numerators and denominators. Pupils see which factors will cancel, or divide out, easier when writing...
Krista King Math
Multiplication of Rational Expressions
Cancel that! Young mathematicians see how factoring and canceling can be very beneficial. The presenter works through examples of multiplying two rational expressions where the factors are simplified first. Factoring complex rational...
Krista King Math
Addition and Subtraction of Rational Expressions
A rational expression is a fraction where the denominator and/or the numerator is a polynomial. The resource presents rational expressions and how to add and subtract them. Additionally, the video connects the addition and subtraction of...
Krista King Math
Complex Fractions
Complex fractions are fractions divided by fractions—complicated, right? The video introduces the class to algebraic complex fractions. With the introduction to variables in the denominator, it is important make sure the denominator is...
Krista King Math
Division of Rational Expressions
Demonstrate the steps of dividing rational expressions with an instructional video that works through two division problems. Numerators and denominators are quadratic trinomials and include several common factors.
Northeast Arkansas Education Cooperative
Recognizing When a Rational Expression is Undefined
It only takes the denominator to be zero to make an expression undefined. A video resource makes the connection of undefined fractions to rational expressions. It points out that to determine when a rational expression is...
Brightstorm
Introduction to Rational Functions - Concept
Let's be rational about it. An instructive resource provides the definition of rational expressions and rational functions. Examples provide an explanation on how to determine excluded values from the domain. The resource continues...
Calculus Expert
Polynomial Long Division for Rational Functions
Long division is back and better than ever! A math video looks at the process of dividing rational expressions using the long division algorithm. The instructor works through the steps of dividing polynomials that result in a...
Math Meeting
Solving Limits by Factoring
Videos are a useful instructional tool with versatile application. Here is a video that reviews the process of finding limits for rational expressions with undefined points. It outlines the algebraic method of factoring and...
Khan Academy
Partial Fraction Expansion 1, Partial Fraction Expansion, Precalculus
This is the first of three videos on partial fraction expansion. Sal goes over an example that first needs to be divided so that it is a proper fraction. He then continues to demonstrate the decomposition of fractions. At home or in...
Curated OER
How Do You Simplify a Mixed Expression Over a Mixed Expression?
You will need to pay close attention while watching this video. There are many steps and many operations to do to simplify this algebraic fraction. If it seems hard the first time you watch it and you miss something, then watch it again....