Brian McLogan
Solving a system of equation with infinite solutions using substitution
👉Learn how to solve a system of equations by substitution. To solve a system of equations means to obtain a common values of the variables that makes the each of the equation in the system true. To solve a system of equations by...
Catalyst University
Quantum Mechanics | Particle-on-a-Ring: Energy and Momentum Calculations
In this video, I calculate the energy and momentum for an electron in a quantized system (a porphyrin). ***Using the particle-on-a-ring model.
Virtually Passed
mechanical energy example problem part 1
What is the velocity of the black just BEFORE it hits the spring? Notice that the 2 non conservative forces are your normal force and your friction force. i) 2.56m/s ii)0.0989m
Brian McLogan
Learn how to take derivative using the quotient rule inside of the chain rule
👉 Learn how to find the derivative of a function using the chain rule. 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...
Brian McLogan
How to use the quadratic formula to solve a quadratic equation
👉 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...
Brian McLogan
Subtracting two mixed numbers - Math Practice - Tutoring Online
👉 Learn how to add and subtract mixed numbers. Mixed numbers are numbers with two parts: the whole number part and the fraction part. Mixed numbers are ways to represent improper fractions using proper fractions. To add or subtract mixed...
Curated Video
Parallel and Perpendicular Lines: Understand and Calculate Equations
The video is a presentation on parallel and perpendicular lines. The speaker explains the key concepts of parallel and perpendicular lines, including their definition, equation, and properties. They also offer examples of how to...
Virtually Passed
Math Puzzle - Inventing a function
What is a function f(x) such that: x f(x) 1 1 2 1 3 2 4 2 5 3 etc... The trick to solving this puzzle is to find a function which returns 1 for even numbers and 0 for odd numbers!
Brian McLogan
Learning how to solve an equation using the sum and difference formulas for sine
👉 Learn how to solve equations using the angles sum and difference identities. Using the angles sum and difference identities, we are able to expand the trigonometric expressions, thereby obtaining the values of the non-variable terms....
Curated Video
Factoring Quadratic Functions: Finding Zeros of Difference of Two Squares
In this video, the teacher explains how to identify the zeros of a quadratic function that is a difference of two squares by factoring. They provide examples and explain the concept of zeros being the input values that make the function...
Brian McLogan
Learn how to evaluate the integral using rational exponential expression
👉 Learn how to evaluate the integral of a function. The integral, also called antiderivative, of a function, is the reverse process of differentiation. Integral of a function can be evaluated as indefinite integral or as a definite...
Brian McLogan
Introduction Into Solving One Step Equations
👉 Learn how to solve one step linear equations. By one step we mean equations that take one step to solve. The one step is the inverse operation needed to isolate the variable such as addition, subtraction, division and multiplication...
Curated Video
Introduction to Sketching Graphs
This video provides an introduction to sketching graphs, discussing important points to consider such as the shape of the graph, its intersection, and turning points. The speaker reviews the general shapes of common graphs such as...
Virtually Passed
Friction simple problem
Will block 1 slide down the hill? What is the inequality that needs to be satisfied?
Brian McLogan
Take the derivative using the product rule and chain rule
👉 Learn how to find the derivative of a function using the chain rule. 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...
Let's Tute
Relationship Between Zeroes And Coefficient of Polynomials
In this video we will learn about the Relationship Between Zeroes And Coefficient of Polynomials. This video will cover topics such has General form, Sum of Zeroes, Product of Zeroes, Sum of product of Zeroes and solve some problems .
Curated Video
Identifying Holes in Graphs: Investigating Functions
In this lesson, students learn how to identify holes in a graph by investigating functions. They explore examples where the denominator of a function cannot equal zero, resulting in either an asymptote or a hole in the graph.
Curated Video
Ionic Compound Formation Explained
This video is an educational presentation on how to form compounds through understanding the charges on various ions. The viewer learns about the formation of positive and negative ions in metals and non-metals, how to predict the charge...
Brian McLogan
Use binomial expansion to expand a binomial to the fourth power
👉 Learn how to expand a binomial using binomial expansion. A binomial expression is an algebraic expression with two terms. When a binomial expression is raised to a positive integer exponent, we usually use the binomial expansion...
Brian McLogan
Analyzing the characteristics of a polynomial graph
👉 Learn about the characteristics of a function. Given a function, we can determine the characteristics of the function's graph. We can determine the end behavior of the graph of the function (rises or falls left and rises or falls...
The Business Professor
Allowances for Doubtful Accounts - Accounting
Allowances for Doubtful Accounts - Accounting
Brian McLogan
Learn how to determine if a piecewise function is continuous and differentiable
👉 Learn how to determine the differentiability of a function. A function is said to be differentiable if the derivative exists at each point in its domain. To check the differentiability of a function, we first check that the function is...
FuseSchool
Inequalities
CREDITS Animation & Design: Jean-Pierre Louw Narration: Lucy Billings Script: Lucy Billings An equal’s sign means two expressions are equal to one another. But sometimes the expressions are not equal… we might only know that something is...
Brian McLogan
How to solve logarithmic equations
👉 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...