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Brian McLogan
Write the equation of a line tangent to a polynomial through a point
👉 Learn how to find and write the equation of the tangent line of a curve at a given point. The tangent of a curve at a point is a line that touches the circumference of the curve at that point. To find the equation of the tangent line...
Curated Video
Using Inverse Relations to Divide Whole Numbers by Fractions
In this video lesson, students learn how to solve whole number by fraction division problems using the inverse relationship of multiplication and division. The teacher explains the concept and provides examples, guiding students through...
Curated Video
Angles of Elevation and Depression: Finding the Height of a Flagpole
In this video, students will learn how to use trigonometric ratios to find the height of a flagpole. The lesson covers angles of elevation and depression, as well as the different trigonometric ratios. The video provides a step-by-step...
Curated Video
Solving for X Using the Cotangent Ratio in Right Triangles
In this video, the teacher explains how to solve for X without using the tangent ratio. Instead, they introduce the cotangent ratio and demonstrate how it can be used to find the length of the leg adjacent to an acute angle in a right...
Flipping Physics
Center of Mass by Integration (Rigid Objects with Shape)
Curated Video
Finding Lengths in Right Triangles: Introducing the Secant Ratio
In this video, the teacher explains how to find the length of segment DG in a right triangle without using the cosine ratio. Instead, they introduce the secant ratio, which compares the length of the hypotenuse to the length of the leg...
Curated Video
Dividing Whole Numbers by Unit Fractions Using a Number Line
In this lesson, students learn how to divide whole numbers by unit fractions using a number line. They understand that a unit fraction has a numerator of 1, and whole numbers are counting numbers without numerators or denominators. By...
Curated Video
Solving Word Problems: Division of Fractions by Whole Numbers Using Picture Models
In this lesson, students will learn how to solve word problems that involve dividing fractions by whole numbers. They will use picture models to help them visualize the problem and determine the correct operation to use. By understanding...
Curated Video
Population Growth and Exponential Formulas: Predicting the Future
In this lesson, students will learn how to determine population growth using an exponential formula. They will review solving for exponents and learn how to deal with exponents inside logarithms. Through examples and calculations, they...
Curated Video
Dividing Polynomials Using Inspection
In this video, the teacher explains how to divide two polynomials when they don't seem to factor. Through the process of inspection, the teacher demonstrates how to rewrite the division using equivalent expressions that can be factored....
Curated Video
Add Mixed Numbers Using Properties of Operations
This video explains how to add mixed numbers with like denominators using area models. Understand the importance of working with models that are divided into equal pieces and similar in size and shape. The lesson demonstrates...
Math Fortress
GRE Arithmetic: Integers (Part 4 of 4)
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 integers. Topics covered include: Even and Odd...
Curated Video
Rearranging Elasticity Formulas and the Elasticity Triangle
In this video, the instructor teaches how to rearrange elasticity formulas to make any variable the subject of the formula. The video focuses on price elasticity of demand as an initial example and demonstrates how to substitute and...
Brian McLogan
Learn how to eliminate the parameter
Learn how to eliminate the parameter in a parametric equation. A parametric equation is a set of equations that express a set of quantities as explicit functions of a number of independent variables, known as parameters. Eliminating the...
Curated Video
Dividing Whole Numbers by Unit Fractions Using a Number Line
In this video, students learn how to divide whole numbers by unit fractions using a number line. The teacher explains the concept of unit fractions and addresses common misconceptions about dividing by unit fractions. Through examples...
Curated Video
Calculating Cross Elasticity of Demand: Easy Economics 3-Step Process
This video provides a tutorial on how to calculate the cross elasticity of demand for a pair of products given relevant data. The three-step process involved in the calculation of elasticity is explained clearly, with examples provided...
Brian McLogan
Solve an equation using the quadratic formula
👉 Learn how to solve quadratic equations using the quadratic formula. A quadratic equation is an equation whose highest power on its variable(s) is 2. The quadratic formula is a formula which can be used to find the roots of (solve) a...
History Hit
Yasmin Khan on the Indian Partition: Indian congress
How does congress become divided? How did nationalism affect India at that time?<br/>
Yasmin Khan on the Indian Partition, Part 3
Yasmin Khan on the Indian Partition, Part 3
Curated Video
Introduction to Elasticity in Economics
This video introduces the concept of elasticity and its importance in economics. The video also discusses the significance of proportionate changes in variables and how initial values impact the calculation of elasticity. The elasticity...
Curated Video
Solving Division Problems Using Inverse Operations
In this lesson, mathematicians learn to solve division problems by using inverse operations. They understand that division is the reverse of multiplication, as it separates or breaks a group into parts.
Curated Video
Comparing Unit Fractions: Understanding Value
In this video, students learn how to compare unit fractions by thinking of them as divisions of one whole. The teacher explains that the unit fraction with the smaller denominator actually has the greater value. Through examples of...
Curated Video
Division of Whole Numbers by Unit Fractions Using the Multiplicative Inverse
In this video, the teacher explains how to divide whole numbers by unit fractions using the concept of the multiplicative inverse. They provide examples and visuals to help students understand the process and avoid common mistakes.
Curated Video
Dividing Unit Fractions by Whole Numbers Using the Multiplicative Inverse
In this lesson, students will learn how to divide unit fractions by whole numbers using the concept of the multiplicative inverse. By understanding the relationship between division and finding fractional parts, students will gain a...
Curated Video
Calculating Price Elasticity of Demand: A Step-by-Step Guide
This video is a tutorial on how to calculate the price elasticity of demand for a good. The speaker explains the process step by step, starting with calculating the changes in quantity demanded and price, then using those numbers to...