Curated Video
Apply the Area of Squares Proof to determine if a triangle is a right triangle
In this lesson you will learn how to determine if a triangle is a right triangle by applying the Area of Squares Proof.
Math Fortress
Calculus III: The Dot Product (Level 4 of 12)
This video goes over the dot product also known as the scalar product. This video goes over 5 examples illustrating how to solve problems that make use of the geometric and component definition of the dot product.
Brian McLogan
How is the quadratic formula derived
👉 Learn all about the quadratic formula. The quadratic formula is a formula which can be used to find the roots of (solve) a quadratic equation. The quadratic formula is given by x = (-b +/- sqrt(b^2 - 4ac)) / 2a, where a is the...
Virtually Passed
A better way to understand Differential Equations | Nonlinear Dynamics (Part 2)
These second-order linear differential equations can be written in the form dx/dt = ax + by dy/dt = cx + dy Depending on the values of a,b,c and d, the dynamics will be very different! They can be characterized by finding the eigenvalues...
Curated Video
Solving Pairs of Linear Equations Visually with Visual Models
In this video, you will learn how to solve pairs of linear equations visually by using visual models. The teacher explains how drawings can help in solving equations and demonstrates this through examples.
Brian McLogan
Find the value makes a piecewise function continuous with system of equations
👉 Learn how to find the value that makes a function continuos. A function is said to be continous if two conditions are met. They are: the limit of the function exist and that the value of the function at the point of continuity is...
Brian McLogan
Learn how to find the points of inflection for an equation
👉 Learn how to find the points of inflection of a function given the equation or the graph of the function. The points of inflection of a function are the points where the graph of the function changes its concavity. The points of...
Curated Video
Understanding Half Equations in Electrochemistry
The video gives a brief overview of oxidation and reduction and then focuses on reactions at the cathode and anode in an electrolytic cell. The concept of half equations is introduced and demonstrated through examples, with a focus on...
Curated Video
Finding Resistance: Investigating Series and Parallel Circuits
The video is a lecture presentation demonstrating how to investigate the changes in resistance when resistors are added to a circuit in series and parallel. The presenter uses a circuit with a fixed resistor and measures the resistance...
Flipping Physics
AP Physics C: Integrals in Kinematics Review (Mechanics)
Calculus based review of definite integrals, indefinite integrals, and derivatives as used in kinematics. Graphs of position, velocity, and acceleration as a function of time are compared using derivatives and integrals. Two of the...
Brian McLogan
Write the tangent line of an equation 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...
Brian McLogan
Find the values where the function has horizontal tangents
👉 Learn how to find the point of the horizontal tangent of a curve. A tangent to a curve is a line that touches a point in the outline of the curve. When given a curve described by the function y = f(x). The value of x for which the...
Brian McLogan
Write the tangent line through a point of natural log equation
👉 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
How to solve a linear equation using only two steps inverse operations
👉 Learn how to solve two step linear equations. A linear equation is an equation whose highest exponent on its variable(s) is 1. To solve for a variable in a two step linear equation, we first isolate the variable by using inverse...
Flipping Physics
Calculating the Force of Impact when Stepping off a Wall
A 73 kg mr.p steps off a 73.2 cm high wall. If mr.p bends his knees such that he stops his downward motion and the time during the collision is 0.28 seconds, what is the force of impact caused by the ground on mr.p?
Brian McLogan
How to reflect a line segment over the y=x line
👉 Learn how to reflect points and a figure over a line of symmetry. Sometimes the line of symmetry will be a random line or it can be represented by the x or y-axis. Either way when reflecting a point and or figure over the line of...
Brian McLogan
Solving a systems of equation word problem
👉Learn how to solve a system of linear equations from a word problem. A system of equations is a set of more than one equations which are to be solved simultaneously. A word problem is a real world simulation of a mathematical concept....
Curated Video
Graphing a Line Using X&Y Intercepts
In this video, the teacher explains how to graph a line using its X and Y intercepts. They provide examples and demonstrate the correct way to plot the intercepts on the coordinate plane. The video concludes by applying the concept to...
Mazz Media
Scientific Laws
This live-action video program is about the word laws. The program is designed to reinforce and support a student's comprehension and retention of the word laws through use of video footage, photographs, diagrams and colorful, animated...
Virtually Passed
challenging friction problem
This problem is from the Meriam and Kraige Statics textbook. I do not own this problem and I am not using it for commercial purposes. In this problem you need to always start with a free body diagram. Notice that in order to find the...
Virtually Passed
2 Degree of Freedom vibrating system Summary
Two blocks oscillating via springs is a 2 DOF system. The final solution will have the form of a a modal vector times cos(w1t - phi1) + another modal vector times cos(w2t -phi2). The system is hence said to be oscillating at two natural...
Flipping Physics
Toy Car UAM Problem with Two Difference Accelerations
In this lesson we continue to use what we have learned about solving Uniformly Accelerated Motion (UAM) problems. This problem is more complicated because it involves two, interconnected parts.
Curated Video
How to Write Equations Using Vertical Angles
This video is a math lesson about how to write equations to solve vertical angle problems. The instructor explains what vertical angles are and how to identify them, and provides examples of how to write equations using the information...