National Institute of Standards and Technology
A Conversation with Dr. John Cahn
On June 24, 2011, it was announced that NIST Emeritus Senior Fellow Dr. John Cahn had been selected to receive the 2011 Kyoto Prize in Advanced Technology for his fundamental contributions to the study of materials. In this interview,...
Curated Video
Solving Quadratic Equations by Completing the Square
In this video, the teacher explains how to solve a quadratic equation by completing the square. They demonstrate how to factor perfect square trinomials and how to create a perfect square trinomial from a non-perfect one. The teacher...
Curated Video
Introduction to Electrical Circuits and Quantities
The video explains the basic principles of a simple electrical circuit and how to calculate current, potential difference, and resistance using equations. The video also applies these equations to a simple circuit diagram with a battery,...
Curated Video
Understanding Circle Measurements: Finding Radius and Diameter
In this video, the teacher explains how to determine the length of the radius of a circle from its diameter. The concept of a circle is explored, emphasizing that the radius is half the length of the diameter. Examples are given to...
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.
Flipping Physics
Conical Pendulum Demonstration and Problem
A conical pendulum is demonstrated and it’s angular velocity is determined.
Brian McLogan
Write the equation of the tangent line with the quotient rule at 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...
Catalyst University
Phase Diagrams | The Clausius-Clapeyron Equation [Derivation Pt. II]
In this video, I use the previously derived Clapeyron equation (previous video [link below]) to derive the Clausius-Clapeyron Equation.
Curated Video
Determining the Number of Solutions in Equations by Recognizing Patterns
In this video lesson, students will learn how to determine the number of solutions an equation has by recognizing patterns. The teacher explains the concepts of one solution, no solution, and infinite solutions using examples and...
Curated Video
Modeling Periodic Phenomena with Trigonometric Functions
In this video, the teacher explains how to model periodic phenomena using trigonometric functions. They review the general forms of sine and cosine equations and discuss the various transformations that can be applied to these functions.
Curated Video
Combustion of Fuels and Balancing Chemical Equations
This video provides an overview of the combustion of fuels, including what fuels are and their various uses, the differences between complete and incomplete combustion, and how to balance an equation for the combustion of a particular...
Flipping Physics
Demonstrating and Solving for Drag Coefficient
The drag coefficient of a steel sphere is demonstrated and measured. A common mistake is shown. Buoyancy force is discussed. Want Lecture Notes? http://www.flippingphysics.com/drag-c... This is an AP Physics C: Mechanics topic.
Curated Video
Approximating Solutions to Systems of Equations by Graphing
IBy graphing equations and identifying the intersection point, you can determine the approximate solution. This method allows you to visualize the solutions and make estimations even when the intersection point is not on integers.
Curated Video
Writing Exponential Equations from Graphs: Two-Point Method
Learn how to write an exponential equation using data given as a graph. The lesson covers scenarios where the Y-intercept is known or unknown, and provides step-by-step instructions on how to determine the explicit equation.
Curated Video
Identifying Function Properties with Real-World Examples
In this lesson, students will learn how to identify function properties by examining real-world examples. They will understand that a function takes any input and yields exactly one output. They will also learn about the concept of...
Curated Video
Solving Word Problems with Fractions and Whole Numbers Using a Number Line
In this video, students learn how to solve word problems involving fractions and whole numbers using a number line. The examples given include determining the amount of milk needed for multiple batches of cookies and calculating the...
Curated Video
Graphing Absolute Value Functions
In this video, the teacher explains how to graph absolute value functions using a T chart. They demonstrate how to find the absolute value of a number and address common misunderstandings. The teacher then applies these concepts to...
Brian McLogan
Learn how to write the equation of a tangent line through a point of a function
👉 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
Solving Linear Equations: Choosing Between Division and Distribution
In this video, students learn how to solve linear equations by choosing between dividing or distributing. The teacher explains the properties of equality and demonstrates solving equations using both methods.
Brian McLogan
Write the equation of a tangent line of a natural logarithmic equation at a value
👉 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...
Brian McLogan
Find the derivative of the inverse of a radical equation
👉 Learn how to find the derivative of the inverse of a function. The derivative of a function, y = f(x), is the measure of the rate of change of the function, y, with respect to the variable x. The process of finding the derivative of a...
Curated Video
Finding the Angle of Elevation
In this video, the teacher explains how to find the angle of elevation or depression in a right triangle. Using the concepts of inverse trigonometric functions and the side lengths of the triangle, the teacher demonstrates how to set up...
Brian McLogan
How to solve a logarithmic equation with extraneous solution, ln(3x-2)+ln(x-1)=2ln(x)
👉 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...
Curated Video
Understanding the Elimination Method for Solving Systems of Equations
The elimination method is an algebraic method used to solve systems of equations. It simplifies two equations with two variables to one equation with one variable by getting opposite coefficients.