Brian McLogan
Determine the left and right hand limits at infinity of a function
π Learn how to evaluate the limit of a function involving rational expressions. The limit of a function as the input variable of the function tends to a number/value is the number/value which the function approaches at that time. The...
Brian McLogan
How to evaluate the limit at the end of a radical graph left right and general
π Learn how to evaluate the limit of a function by rationalizing the radical. The limit of a function as the input variable of the function tends to a number/value is the number/value which the function approaches at that time. The limit...
Let's Tute
Solving Pair of Linear Equations using Algebraic Method: Elimination Method
In this video, the teacher explains how to solve pairs of linear equations using algebraic methods, specifically the elimination method. They provide examples and explain how to decide whether to add or subtract the equations based on...
Brian McLogan
Introduction to learning the product rule to compare to the power rule
π Learn how to find the derivative of a function using the product 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...
Professor Dave Explains
Kinematics Part 2: Vertical Motion
Alright, we did side to side, now let's go up and down! This is important if you are Wile E. Coyote and you want to drop rocks off of cliffs and know beforehand how long it takes to hit the ground, so you can finally get that pesky...
Brian McLogan
Add subtract complex rational numbers
In this videos series I show you how to add and subtract complex rational numbers. Just like any rational numbers we need to have the denominators equal. So for these problems we work on finding the least common denominator and then...
Brian McLogan
How do the rotations of counter clockwise and clockwise similar
π Learn how to rotate a figure and different points about a fixed point. Most often that point or rotation will be the original but it is important to understand that it does not always have to be at the origin. When rotating it is also...
Brian McLogan
What is the formula for a perfect square trinomial and how does the discriminant fit in
π Learn all about the discriminant of quadratic equations. A quadratic equation is an equation whose highest power on its variable(s) is 2. The discriminant of a quadratic equation is a formula which is used to determine the type of...
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
Curated Video
Higher Powers of I: Recognizing Patterns
In this lesson, students learn how to evaluate higher powers of the imaginary unit, I, by recognizing patterns. They review the product rule, quotient rule, and power of 0 rule to simplify expressions.
Brian McLogan
Product rule with cosine and a monomial derivative
π Learn how to find the derivative of a function using the product 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...
Brian McLogan
Learn how to apply the first derivative test to describe increasing decreasing int
π Learn how to find the extreme values of a function using the first derivative test. The extreme values of a function are the points/intervals where the graph is decreasing, increasing, or has an inflection point. A method that can be...
Brian McLogan
Rotating a parallelogram 270 degrees counterclockwise
π Learn how to rotate a figure and different points about a fixed point. Most often that point or rotation will be the original but it is important to understand that it does not always have to be at the origin. When rotating it is also...
Brian McLogan
How to apply a reflection over the x axis ex 1
π 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
How to reflect a triangle over the y=x line
π 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...
Curated Video
Understanding Income Elasticity and Cross Elasticity of Demand
The video is an educational tutorial on the concepts of income elasticity of demand (YD) and cross elasticity of demand (XED). The presenter explains the calculations for each and how to classify goods based on their YD and XED values....
Brian McLogan
How to use the discriminat to describe your solutions
π Learn how to determine the discriminant of quadratic equations. A quadratic equation is an equation whose highest power on its variable(s) is 2. The discriminant of a quadratic equation is a formula which is used to determine the type...
Brian McLogan
Solving a System of Equations by Elimination with Adding
πLearn how to solve a system (of equations) by elimination. A system of equations is a set of equations which are collectively satisfied by one solution of the variables. The elimination method of solving a system of equations involves...
Curated Video
Cash Flow Forecasts: Managing Your Business's Cash Position
This video is a lecture presentation on cash flow forecasts and their importance in managing a business's cash flow. The host begins by explaining the concept of cash flow and how it is the difference between the cash that enters the...
ATHS Engineering
Thermodynamics: Clarifying Common Misconceptions and Calculating Final Temperature
In this video, the teacher addresses a mistake made in a previous video on thermodynamics and clarifies the concept of energy conservation in closed thermodynamic systems. They provide examples and equations to show how to properly set...
Curated Video
Graphing Quadratic Functions and Understanding Complex Roots
In this video, the teacher explains the graphical meaning of real and complex roots in quadratic functions. They review function notation and the steps to graph a quadratic function. They also explain how to use the discriminant to...
FuseSchool
Plot Straight Line Graphs - Part 2
In this video we look at more examples of plotting straight lines onto graphs. This time the equations are a little trickier - such as having fractions for the gradients. When completing the table of values, if the equation has fractions...
Brian McLogan
Evaluate your six trig functions when given cotangent and a constraint on cosine
π Learn how to evaluate the six trigonometric functions given some constraints. When given the value of one trigonometric function, we can use a right triangle with one of its legs on the x-axis and the other leg, perpendicular to the...
Brian McLogan
Evaluate for Cosine Inverse Using the Unit Circle
π Learn how to evaluate the inverse of reciprocal trigonometric functions. Recall that the reciprocal trigonometric functions are given by the ratio of 1 and the corresponding trigonometric function. When an angle is unknown but the...