Brian McLogan
When eliminating the parameter gives you a sideways parabola
I make short, to-the-point online math tutorials. I struggled with math growing up and have been able to use those experiences to help students improve in math through practical applications and tips. I believe everyone can learn math...
Curated Video
Finding X-Intercepts of Quadratic Functions by Factoring
In this video, the teacher explains how to find the x-intercepts of a quadratic function by factoring. They clarify the difference between y-intercepts and x-intercepts and demonstrate how to use the zero product property to find the...
Curated Video
Finding the X Coordinate of the Intersection of Two Equations
In this video, the teacher explains how to find the X coordinate of the point of intersection of two equations without graphing or making a chart. They review slope intercept form and explain how to determine the slope and Y intercept....
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...
Curated Video
Determining Rational X Intercepts of Quadratic Functions through Factoring
In this video, the teacher explains how to determine the number of rational x-intercepts in the graph of a quadratic function by examining the method used to factor the function. The video also clarifies the difference between rational...
Curated Video
Solving Quadratic Equations by Inspection
In this lesson, students learn how to solve quadratic equations by inspection. They review perfect squares and multiplying square roots, as well as common mistakes to avoid. Through examples, they learn to identify perfect square...
Flipping Physics
(1 of 2) Measuring the Rotational Inertia of a Bike Wheel
That’s right, we actually measure the rotational inertia of a bicycle wheel. How cool is that?
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
Understanding the Influence of Multiplying Equations by Constants on Graphs
In this video, the teacher explains how multiplying an equation by a constant affects the equation and its graph. They define constants and variables, and show how multiplying every term in an equation by a constant produces an...
Brian McLogan
Learn 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...
Brian McLogan
Find the particular solution given the conditions and second derivative
Learn how to solve the particular solution of differential equations. A differential equation is an equation that relates a function with its derivatives. The solution to a differential equation involves two parts: the general solution...
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
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.
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.
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.
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...