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This page provides a list of educational videos related to Expressing Relationships as Algebraic Expressions. You can also use this page to find sample questions, apps, worksheets, lessons , infographics and presentations related to Expressing Relationships as Algebraic Expressions.
Recognizing rational and irrational expressions
By Khan Academy
Sal shows how to determine whether the following expressions are rational or irrational: 9 + ������������������(45), ������������������(45)/ (3*������������������(5)), and 3*������������������(9).
DEPRECATED Simplifying rational expressions 4
By Khan Academy
Sal solves the following problem:������������Given a rectangle with length a^2+6a+27 and width a^2-9, write the ratio of the width to the length as a simplified rational expression.
DEPRECATED Simplifying rational expressions 4
By Khan Academy
Sal������������simplifies and states the domain of (2x^2+13x+20)/(2x^2+17x+30).
Simplifying rational expressions 3 | Polynomial and rational functions | Algebra II | Khan Academy
By Khan Academy
Khan Academy presents Simplifying Rational Expressions 3, an educational video resource on math.
Simplify rational expressions using advanced factorization methods
By Khan Academy
Sal������������simplifies and states the domain of (2x^2+13x+20)/(2x^2+17x+30).
Solve equations with two rational expressions
By Khan Academy
Sal solves the following equation and eliminates the resulting extraneous solution: (x^2)/(x+2)=4/(x+2).
Simplify rational expressions using advanced factorization methods
By Khan Academy
Sal������������simplifies and states the domain of (2x^2+13x+20)/(2x^2+17x+30).
Solve equations with two rational expressions
By Khan Academy
Sal solves the equation 5/(2x)-4/(3x)=7/18 by first finding the LCM (least common multiple) of 2x and 3x.
Simplify rational expressions by canceling monomial factors
By Khan Academy
Sal simplifies (28b^6)/(7b) as 4b^5.
Simplify rational expressions by canceling monomial factors
By Khan Academy
Sal simplifies (28b^6)/(7b) as 4b^5.
Simplify rational expressions by canceling binomial factors
By Khan Academy
Sal solves the following problem:������������Given a rectangle with length a^2+6a+27 and width a^2-9, write the ratio of the width to the length as a simplified rational expression.
Simplify rational expressions by canceling binomial factors
By Khan Academy
Sal������������simplifies and states the domain of (x^2-36)/(6-x).
Simplify rational expressions by canceling monomial factors
By Khan Academy
Sal explains what it means to simplify a rational expression and why we would want to do that. Just don't forget the excluded values!
Solve equations with two rational expressions
By Khan Academy
Sal solves the equation 4/(p-1)=5/(p+3).
Division of Rational Expressions
By MrLovellFord
Shows how to divide two rational expressions by mulitplying the first expression by the reciprocal of the second, then simplifying.
Example Problem - Adding and Subtracting Rational Expressions (Multi-Step)
By Khan Academy
Khan Academy presents Adding and Subtracting Rational Expressions, an educational video resource on math.
Operate on rational expressions
By MathPlanetVideos
Simplify the given expression (x/6−6/x)/(x+6)(x−6)6x
DEPRECATED Simplifying rational expressions 4
By Khan Academy
Sal������������simplifies and states the domain of (x^2-36)/(6-x).
Multiplying and dividing rational expressions 2 | Algebra II | Khan Academy
By Khan Academy
Khan Academy presents Multiplying and Dividing Rational Expressions 2, an educational video resource on math.
Adding and subtracting rational expressions 2 | Algebra II | Khan Academy
By Khan Academy
Khan Academy presents Adding and Subtracting Rational Expressions 2, an educational video resource on math.