Brian McLogan
Subtract two rational expressions and determine excluded values
Subtract two rational expressions and determine excluded values
Brian McLogan
Solve basic rational equations and explain extraneous solutions
Solve basic rational equations and explain extraneous solutions
Brian McLogan
Simplifying complex fractions
π Learn how to simplify complex fractions. To simplify complex fractions having the addition/subtraction of more than one fractions in the numerator or/and in the denominator we first evaluate the numerator or/and the denominator...
Brian McLogan
Simplify two rational expressions by adding
Learn how to add and/or subtract 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. When adding or subtracting rational...
Brian McLogan
Simplify two rational expression by adding
Learn how to add/subtract rational expressions. When adding or subtracting two or more rational expressions with common denominators, we add or subtract only the numerator while we keep the denominator the same. We will then simplify our...
Brian McLogan
Solving a basic rational equation by multiplying each term by the LCD
π Learn how to solve rational equations. A rational expression is an expression in the form of a fraction where the numerator and/or the denominator are/is an algebraic expression. There are many ways to solve rational expressions, one...
Brian McLogan
Multiplying by your LCM to divide two rational expressions
π Learn how to simplify complex fractions. To simplify complex fractions having the addition/subtraction of more than one fractions in the numerator or/and in the denominator we first evaluate the numerator or/and the denominator...
Brian McLogan
Learn how to divide two exponents with fractional powers
π Learn how to divide with rational powers. To divide with numbers/expressions with rational exponents, we apply the basic rules of exponents. If the two numbers/expressions are the same, we simply take one of the number and raise it to...
Brian McLogan
Combining rational expression with unlike denominators
Learn how to add and/or subtract 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. When adding or subtracting rational...
Brian McLogan
Dividing two exponents with rational powers to simplify the expression
π Learn how to divide with rational powers. To divide with numbers/expressions with rational exponents, we apply the basic rules of exponents. If the two numbers/expressions are the same, we simply take one of the number and raise it to...
Curated Video
Adding Rational Numbers
In this video lesson we will learn the rules for adding rational numbers. We will apply the rules we have learned for adding integers. When adding the same signed rational values, we will add the absolute values and keep the sign. When...
Brian McLogan
How to verify an identity by simplifying complex fractions
π Learn how to verify trigonometric identities having rational expressions. To verify trigonometric expression means to verify that the term(s) on the left hand side of the equality sign is equal to the term(s) on the right hand side. To...
Brian McLogan
Writing an equation using point slope form given two points
π Learn how to write the equation of a line given two points on the line. The equation of a line is such that its highest exponent on its variable(s) is 1. (i.e. there are no exponents on its variable(s)). There are various forms which...
Brian McLogan
Sum and Difference Formula Evaluate with Right Triangles
Sum and Difference Formula Evaluate with Right Triangles
Brian McLogan
Solving Rational Equations | Three Mistakes
Being a teacher for many years I can tell you I know where students make their mistakes. In this video I will show you the top three mistakes I see students making when solving rational equations
Brian McLogan
Combining rational expressions
Learn how to add/subtract rational expressions. When adding or subtracting two or more rational expressions with common denominators, we add or subtract only the numerator while we keep the denominator the same. We will then simplify our...
Brian McLogan
Math Lesson for adding two rational expressions by determining a common denominator
Learn how to add/subtract rational expressions with trinomials in the denominator. When adding or subtracting two or more rational expressions with common denominators, we add or subtract only the numerator while we keep the denominator...
Brian McLogan
Learn how to divide two exponents with rational powers
π Learn how to divide with rational powers. To divide with numbers/expressions with rational exponents, we apply the basic rules of exponents. If the two numbers/expressions are the same, we simply take one of the number and raise it to...
Brian McLogan
Student Mistakes with FRACTIONS
πIn this video I will explore some of the reasons that I see students struggle with fractions and what they can learn about those struggles to get better at math.
Curated Video
Rules for Subtracting Rational Numbers
In this interactive video we will review the rule for subtracting numbers. To subtract, change subtraction to addition and add the opposite value. I will model this using KEEP - CHANGE - OPPOSITE. There are 12 student practice problems...
Curated Video
Estimating the Reasonableness of Answers to Word Problems with Mixed Numbers
In this video, the teacher explains how to estimate the reasonableness of answers to word problems involving mixed numbers. The teacher introduces the concept of models, which are pictures that represent fractions, and explains that a...