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
Solving by completing the square and factoring out a three
👉 Learn how to solve quadratic equations by completing the square. When solving a quadratic equation by completing the square, we first take the constant term to the other side of the equation and create a perfect square trinomial with...
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
Learning the easy way to solve a a rational equation by using the LCD
👉 Learn how to solve proportions. Two ratios are said to be proportional when the two ratios are equal. Thus, proportion problems are problems involving the equality of two ratios. When given a proportion problem with an unknown, we...
Curated Video
Adding Fractions With The Same Denominator- Doodles and Digits
Do you need to learn how to add fractions in 4th grade? This educational kids math video shows upper elementary math students how to add fractions with like denominators! Visually see how to add the numerators when the denominators are...
Curated Video
Comparing Fractions with Equal Numerators
Comparing fractions with the same numerator but different denominators.
Brian McLogan
How to add two fractions when the denominators are not the same
👉 Learn how to add and subtract fractions whose denominators are not the same. Recall that when we want to add or subtract fractions having the same denominator, we add the numerators and retain the (common) denominator. This is...
Brian McLogan
Adding two rational trigonometric terms learn how
👉 Learn how to simplify rational identities involving addition and subtraction. To simplify rational identities involving addition and subtraction, first, we find the LCM of the denominators which most time is the product of the terms in...
Brian McLogan
Learn how to verify a trigonometric function by combining two rational expressions
👉 Learn how to verify rational trigonometric identities involving the addition and subtraction of terms. To verify trigonometric expression means to verify that the term on the left-hand side of the equality sign is equal to the term on...
Brian McLogan
Find all the solutions of a rational equation and check your solution
👉 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
Solve an equation with a rational term
👉 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
Solve a rational equation with no extraneous solutions
Solve a rational equation with no extraneous solutions
Brian McLogan
Simplifying complex fractions
👉 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
Simplifying a rational expression using rational exponents
👉 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
Subtract two rational expressions by obtaining common 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
Solving an equations with rational expressions
👉 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...
Curated Video
How to Estimate the Sum of 2 Fractions
In this short math video we will answer a standardized math test question where we are asked to estimate the sum of two fractions. We will consider the numerator and denominator of each fraction in the sum. We will round each to the...
Curated Video
Comparing Fractions with Different Numerators and Denominators Using Multiplication
This video, explains how to compare fractions with different numerators and denominators by multiplying or dividing by one. Using visual representations and number lines, we demonstrate the concept and provide examples. By the end of the...
Curated Video
Adding Fractions with Different Denominators Using a Grid Model
Learn how to add fractions with different denominators, specifically fractions with denominators of 10 and 100. Use a grid model to visually represent the fractions and shows how to convert them to equivalent fractions. The video also...
Curated Video
Comparing Fractions: Using Number Lines
In this video lesson, students will learn how to compare fractions with different denominators by plotting them on number lines. We explain the concept of fractions as parts of a whole and demonstrates how to determine the value of...
Brian McLogan
Learn how to add two rational trigonometric expressions
👉 Learn how to simplify rational identities involving addition and subtraction. To simplify rational identities involving addition and subtraction, first, we find the LCM of the denominators which most time is the product of the terms in...
Brian McLogan
How to add and simplify two trigonometric expressions
👉 Learn how to simplify rational identities involving addition and subtraction. To simplify rational identities involving addition and subtraction, first, we find the LCM of the denominators which most time is the product of the terms in...