KnowMo
Converting Decimals into Fractions
This is a lecture video that explains how to convert decimals into fractions. The presenter begins by defining what fractions are and pointing out the importance of understanding place value. They then go on to list common decimal to...
Brian McLogan
Adding two rational monomials
👉 Learn how to add and subtract rational expressions by applying the rules of exponents. When adding and subtracting rational expressions we need to have common denominators. To obtain common denominators we will need to multiply the...
Math Fortress
GRE Arithmetic: Fractions (Part 1 of 5)
This video is a review of basic arithmetic for the purpose of solving problems on the quantitative reasoning section of the GRE revised General Test. This video covers the basics of fractions. Topics covered include: The definition of a...
Brian McLogan
Solving a natural logarithmic equation using quadratic formula
👉 Learn about solving logarithmic equations. Logarithmic equations are equations involving logarithms. To solve a logarithmic equation, we first use our knowledge of logarithm laws/properties to express the terms in both sides of the...
Brian McLogan
Learning to write the domain of a rational function with an asymptotes and hole
👉 Learn how to find the domain of rational functions. Recall that the domain of a function is the set of possible input values (x-values) of the function. For a rational function, the denominator cannot be zero. Thus, to find the domain...
Brian McLogan
Adding, subtracting, multiplying and dividing two functions
👉 Learn how to apply operations to functions such as adding, subtracting, multiplying, and dividing to two functions. To add/subtract/multiply or divide two functions, we algebraically add/subtract/multiply or add the rules (contents) of...
Brian McLogan
How to subtract fractions with unlike denominators and negative answers
👉 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...
KnowMo
Adding Mixed Numbers: Two Methods
The video discusses two methods for adding mixed numbers and provides examples of how to apply both methods. The first method involves adding the whole numbers and fractions separately, while the second method involves converting the...
Curated Video
Rewriting Rational Expressions: Finding Common Factors
In this video, the teacher explains how to rewrite rational expressions by recognizing common factors. They provide examples and show how to think of rational expressions as division of the numerator by the denominator. The teacher also...
Brian McLogan
Learn how to add two functions rational
👉 Learn how to add or subtract two functions. Given two functions, say f(x) and g(x), to add (f+g)(x) or f(x) + g(x) or to subtract (f - g)(x) or f(x) - g(x) the two functions we use the method of adding/subtracting algebraic expressions...
Curated Video
Step Up and Step Down Transformers: Understanding the Differences
The video explains the differences between step up and step down transformers. It starts with an introduction to the purpose of transformers and the primary and secondary coils. The video then goes on to describe the two types of...
Curated Video
Solving Word Problems with Fractions and Whole Numbers using Repeated Addition
In this video, students learn how to solve word problems involving multiplying a fraction and a whole number using repeated addition. The teacher explains the commutative property and the importance of understanding fractions as parts of...
Curated Video
Adding Mixed Numbers Using an Area Model
In this video, the teacher explains how to add mixed numbers using an area model. They emphasize the importance of understanding the whole number and fraction components of a mixed number, and how to correctly represent them in the area...
KnowMo
Converting Fractions into Decimals: Equivalent Fraction Method and Division Method
This video provides an explanation of how to convert fractions into decimals. The video begins by defining what fractions are and the meaning of their numerator and denominator. The presenter then goes through some common...
Brian McLogan
How to write the domain of a rational function with a radical in the numerator
👉 Learn how to find the domain of rational functions with radicals in both the numerator and the denominator. Recall that the domain of a function is the set of possible input values (x-values) of the function. For a rational function,...
Brian McLogan
Learn how to algebraically determine the limit at infinity
👉 We will explore how to evaluate the limit at infinity. When evaluating the limit at infinity or negative infinity we are interested to know where is the graph going right and left. This is also commonly explored as end behavior of the...
Brian McLogan
Determine the discontinuity of the function
👉 Learn how to classify the discontinuity of a function. A function is said to be discontinuos if there is a gap in the graph of the function. Some discontinuities are removable while others are non-removable. There is also jump...
Brian McLogan
Writing the domain of a rational function with a radical in the denominator
👉 Learn how to find the domain of rational functions with a radical denominator. Recall that the domain of a function is the set of possible input values (x-values) of the function. For a rational function, the denominator cannot be zero...
Brian McLogan
Learn to graph an ellipse when a and b are fractions
Learn how to graph vertical ellipse centered at the origin. A vertical ellipse is an ellipse which major axis is vertical. To graph a vertical ellipse, we first identify some of the properties of the ellipse including the major radius...
Brian McLogan
How to find the implied domain of a function
👉 Learn how to find the domain of rational functions with a radical numerator. Recall that the domain of a function is the set of possible input values (x-values) of the function. For a rational function, the denominator cannot be zero...
Brian McLogan
Determine the values a function is undefined and write the domain
👉 Learn how to find the domain of rational functions with radicals in both the numerator and the denominator. Recall that the domain of a function is the set of possible input values (x-values) of the function. For a rational function,...
Brian McLogan
Domain with radical in numerator and denominator
👉 Learn how to find the domain of rational functions with radicals in both the numerator and the denominator. Recall that the domain of a function is the set of possible input values (x-values) of the function. For a rational function,...
Brian McLogan
How to evaluate the right hand limit at an asymptote
👉 Learn all about the Limit. In this playlist, we will explore how to evaluate the limit of an equation, piecewise function, table and graph. We will explore continuity as well as discontinuities such as holes, asymptotes and jumps and...
Brian McLogan
Solve a System of Equations Using Elimination with Fractions
👉Learn how to solve a system (of equations) by elimination. A system of equations is a set of equations which are collectively satisfied by one solution of the variables. The elimination method of solving a system of equations involves...