Brian McLogan
Graphing Polar points as they compare to rectangular points
Graphing Polar points as they compare to rectangular points
Brian McLogan
Using the parts of a quadratic to graph
👉 Learn how to graph quadratics in standard form. A quadratic equation is an equation whose highest exponent in the variable(s) is 2. To graph a quadratic equation, we make use of a table of values and the fact that the graph of a...
Brian McLogan
Determining negative slope from a graph
👉 Learn how to find the rate of change from graph. The rate of change is the rate at which y-values are changing with respect to the change in x-values. To determine the rate of change from a graph, a right triangle is drawn on the graph...
TLDR News
Why is American Life Expectancy Falling? - TLDR News
The US has a major mortality issue, with the country's life expectancy actually falling in recent years. So in this video, we explain the issues with the American system and why people pay so much for some of the lowest life expectancies...
Flipping Physics
Calculating Average Drag Force on an Accelerating Car using an Integral
A vehicle uniformly accelerates from rest to 3.0 x 10^1 km/hr in 9.25 seconds and 42 meters. Determine the average drag force acting on the vehicle.
Curated Video
Putting Pictures on a Graph
In this video, the teacher explains how to create a picture graph using a key. The example used is a bake sale where different types of cookies were sold. The teacher demonstrates how to represent the data visually on a graph, and...
Curated Video
Finding X Intercepts of Polynomial Functions by Analyzing Factors
This video explains the concept of X intercepts and their relationship to the factors of a polynomial function. They demonstrate how to find the X intercepts graphically and algebraically by setting the function equal to zero and...
Brian McLogan
Finding the implied domain of a function
👉 Learn how to find the domain of a radical function. Recall that the domain of a function is the set of possible input values (x-values) of the function. For a radical square-root function, there cannot be a negative number inside the...
Brian McLogan
Evaluting the left and right hand limit by understanding the parent graph
👉 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
Limits at infinity
👉 We will explore how to evaluate the limit at infinity. When evaluating the limit at infinity or negative infinity we are interested to know where is the graph going right and left. This is also commonly explored as end behavior of the...
Brian McLogan
Learn how to evaluate the left, right and general limit from a piecewise function
👉 Learn how to evaluate the limit of a piecewice function. A piecewise function is a function that has different rules for a different range of values. The limit of a function as the input variable of the function tends to a number/value...
Brian McLogan
How to subtract two vectors by adding
Learn how to add/subtract vectors. Vectors can be added, subtracted and multiplied. To add or subtract two or more vectors, we simply add each of the corresponding components of the vectors.
Brian McLogan
Evaluate the limit of sinx over x
👉 Learn how to evaluate the limit of a function involving trigonometric 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....
Brian McLogan
Evaluate the limit of a rational expression with a hole
👉 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...
Curated Video
Using Log Graphs to Estimate Parameters in Exponential Functions
This is a lecture presentation on how to use log graphs to estimate parameters in exponential functions. The presentation explains how to plot log graphs of exponential functions and how to determine the power and constant terms from the...
Curated Video
Graphing Shifted Exponential and Logarithmic Functions
In this lesson, students will learn how to graph shifted exponential and logarithmic functions by considering the spread of an Internet video. They will understand how changing the base affects the rate of growth or decay, and how...
Curated Video
Finding Zeros of Quadratic Functions with Tables of Values
In this video, the teacher explains how to find the zeros of quadratic functions by analyzing tables of values. They use examples of toy rockets, soccer balls, and baseballs to illustrate the concept. The teacher emphasizes the...
Brian McLogan
Subtracting the two vectors with a scalar and graphing
Learn how to determine the resultant vector by adding, subtracting and multiplying vectors by a scalar. We will also learn how to graph the resultant vectors to show the operations. Vectors can be added, subtracted and multiplied. To add...
Brian McLogan
Evaluating the limit of a continuous function
👉 Learn how to evaluate the limit of a function involving polynomials. 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 of a...
Brian McLogan
Does the max and min always occur when there is a horizontal tangent
👉 Learn how to determine the extrema, the intervals of increasing/decreasing, and the concavity of a function from its graph. The extrema of a function are the points where the graph changes from increasing to decreasing or vice versa. A...
Curated Video
Finding Resistance: Investigating the Relationship between Resistance and Length of Nichrome Wire
The video is a lecture presentation on finding resistance. The presenter demonstrates how to adapt a basic circuit to investigate the relationship between the resistance and length of nichrome wire. The presenter walks through the...
Brian McLogan
Overview of solutions of a quadratic function and the discriminant
👉 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...
Catalyst University
Fick's First Law (3): Graphical Estimation of Concentration Gradient
Fick's First Law (3): Graphical Estimation of Concentration Gradient
Curated Video
Distance Time Graphs: Analyzing Speeds and Acceleration
The video is a lecture presentation on distance time graphs. The presenter explains what a distance time graph is and how it represents the distance of an object from a fixed point at various times throughout a journey. Through the use...