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...
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
Vector Geometry and the Ratio Theorem Explained
This video is a lecture presentation on vector geometry and the ratio theorem. The presenter explains the fundamentals of vector geometry and then goes on to explain how to use the ratio theorem to find a vector to a point that divides a...
Curated Video
Using Scale Factors to Find the Area of Scale Drawings
In this video, the teacher explains how to use a scale factor to find the area of a scale drawing. They demonstrate how multiplying the length and width of a figure by a scale factor does not generate the scaled area. Instead, they...
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...
Brian McLogan
Dividing rational expressions
👉 Learn how to simplify expressions by dividing its terms. Remember that dividing a fraction is the same as multiplying by the reciprocal. When multiplying expressions, each individual term of the expression is multiplied to its like...
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
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
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,...
Why U
Pre-Algebra 11 - Fractions and Rational Numbers
The first fractions used by ancient civilizations were "unit fractions". Later, numerators other than one were added, creating "vulgar fractions" which became our modern fractions. Together, fractions and integers form the "rational...
Curated Video
Adding Mixed Numbers Using an Area Model
In this video, students learn how to add mixed numbers using an area model. The teacher explains the common mistake of not understanding the significance of the whole number in the mixed fraction. Through the use of area models, students...
Brian McLogan
How to subtract fractions with unlike denominators
👉 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...
Curated Video
Simplifying Fraction Multiplication by Canceling Common Factors
In this lesson, students will learn how to simplify fraction multiplication problems by canceling common factors. They will understand that multiplying fractions means taking a fraction of a fraction and learn different strategies to...
Brian McLogan
Learning how to identify compression and stretches of multiple functions
👉 Learn how to identify transformations of functions. Transformation of a function involves alterations to the graph of the parent function. The transformations can be dilations, translations (shifts), reflection, stretches, shrinks,...
Catalyst University
Lineweaver-Burke Plots: Introduction and Theory
Lineweaver-Burke Plots: Introduction and Theory
Brian McLogan
Domain with radical in the numerator
👉 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
Finding the exact value for sine of 15 degrees using the half angle formula
👉 Learn how to evaluate the Sine of an angle using the half-angle formula. The half-angle formula for Sine is helpful when you need to determine the exact value of function given an angle but cannot use a calculator or the angle is not...
Curated Video
Generating Equivalent Fractions Using Area Models
In this video lesson, students will learn how to generate equivalent fractions using area models. The teacher explains the concepts of numerators and denominators, as well as common mistakes students make when comparing fractions.
Curated Video
Converting Repeating Decimals into Fractions: Proving Rationality
This video introduces the concept of rational numbers and discusses the skepticism surrounding repeating decimals. Through examples and a pattern, the teacher shows how to convert repeating decimals into fractions, providing a clear...
Brian McLogan
Adding fractions - Math Tutoring Online - Math Skills
👉 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
Dividing rational expressions
👉 Learn how to simplify expressions by dividing its terms. Remember that dividing a fraction is the same as multiplying by the reciprocal. When multiplying expressions, each individual term of the expression is multiplied to its like...
Brian McLogan
Learn how to expand a logarithmic expression and use parenthesis and brackets
👉 Learn how to expand logarithmic expressions involving radicals. A logarithmic expression is an expression having logarithms in it. To expand logarithmic expressions means to use the logarithm laws to expand (open up) logarithm...
Math Fortress
GRE Arithmetic: Fractions (Part 2 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: addition and...
Brian McLogan
Simplifying trigonometric expressions by using pythagorean identities
👉 Learn how to verify trigonometric identities having rational expressions. To verify trigonometric expression means to verify that the terms on the left-hand side of the equality sign is equal to the terms on the right-hand side. To...