Why U
Pre-Algebra 33 - Real Numbers
There are an infinite number of rational numbers, but there are infinitely more irrational numbers. Neither type of number can represent every type of numeric quantity. By combining the rational and irrational numbers into the real...
Brainwaves Video Anthology
Jason Stanley - Education vs Indoctrination
Jason Stanley is the Jacob Urowsky Professor of Philosophy at Yale University. Before coming to Yale in 2013, he was Distinguished Professor in the Department of Philosophy at Rutgers University. He has also been a Professor at the...
Curated Video
Create a computer vision system using decision tree algorithms to solve a real-world problem : [Activity] Code to define the region of interest
From the section: Computer Vision Basics: Part 2. In this section, we’ll explore the some addtiional features of Computer Vision. Computer Vision Basics: Part 2: [Activity] Code to define the region of interest
Brian McLogan
Find the slope between two points with fractions
👉 Learn how to find the slope between two points. The slope of a line is the steepness of the line. The horizontal line has a zero slope while the vertical line has an undefined slope. To determine the slope of a line passing through two...
Brian McLogan
Using a slope triangle to find the slope on a graph - Math teacher shows test answers
👉 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...
Curated Video
Interpreting Solutions Graphically: Finding Points of Intersection in Linear and Quadratic Equations
The video is a presentation on how to interpret solutions graphically using examples of linear and quadratic equations on graphs. The presenter explains how to find the point where two graphs meet, which solves the equation. They also...
JJ Medicine
Introduction to ECG | The Basics | Einthoven’s Triangle, Limb, Augmented and Precordial Leads
Introductory lesson on ECGs including Einthoven’s triangle, lead placement, limb, augmented and precordial leads. Reading and understanding ECGs is an incredibly important skill in medicine. Before we can understand some of the...
IDG TECHtalk
How to create ggplot labels in R
See how to add text labels to points and lines in ggplot graphs.
Let's Tute
Learning 3-Point Perspective: Drawing Buildings and Objects
The video is a tutorial on how to draw in 3-point perspective, with detailed step-by-step instructions and examples. The teacher explains the concept of 3-point perspective and shows how to draw simple shapes and objects such as...
Brian McLogan
Learn to graph a vertical parabola and identify the focus and directrix
Learn how to graph a parabola in standard form when the vertex is not at the origin. We will learn how to graph parabola's with horizontal and vertical openings. In addition to graphing you will also learn how to identify the important...
Brian McLogan
Given the endpoints of axes to write the equation of an ellipse
Learn how to write the equation of an ellipse from its properties. The equation of an ellipse comprises of three major properties of the ellipse: the major radius (a), the minor radius (b) and the center (h, k). The ellipse is vertical...
Brian McLogan
Find three different representations of a polar point
Find three different representations of a polar point
Brian McLogan
Determine the domain and range from a set of values
👉 functions are the possible output values (y-values) of the function. To find the domain of a function from a table we list out the set of the input values and for the range we list out the set of output values. To find the domain and...
Brian McLogan
Solving and graphing a compound inequality joined by or
👉 Learn how to solve compound inequalities and graph their solution on a number line. A compound inequality is an inequality having more than 1 inequality sign. To solve compound inequalities, we use inverse operations, applying the...
Why U
Algebra 16 - Real - Valued Functions of a Real Variable
Although the domain and codomain of functions can consist of any type of objects, the most common functions encountered in Algebra are real-valued functions of a real variable, whose domain and codomain are the set of real numbers, R.
Let's Tute
Pair of Linear Equations: Coincident Equations and Dependence
In this video, we learn about coincident pair of linear equations and how they differ from intersecting lines. We see how to plot these equations on a graph and how they can result in an infinite number of common points or solutions....
Brian McLogan
Master How to find the area and perimeter of a triangle given three points
Master How to find the area and perimeter of a triangle given three points
Brian McLogan
Find the x and y intercepts of a rational function
👉 Learn how to find the x and y-intercepts of a rational function. The x-intercept(s) of a function occurs when y = 0 and the y-intercept(s) of a function occurs when x = 0. To find the y-intercept of a function, we plug in zero for x...
Brian McLogan
How to graph a system of equation using slope intercept form
👉To solve a system of equations means to obtain a common x-value and a common y-value that makes the each of the equation in the system true. To solve a system of equations by graphing means to obtain the point of intersection (if any)...
Brian McLogan
Graphing exponential functions
👉 Learn how to graph exponential functions involving vertical shift. An exponential function is a function that increases rapidly as the value of x increases. To graph an exponential function, it is usually very useful to make the table...
Brian McLogan
Graph the system of three linear inequalities and determine the feasible region ex 15
In this video series you will learn how to graph a system of linear inequalities. When graphing a system of linear inequalities you will graph just like a system of linear equations except you will use test points to shade.
Brian McLogan
Graphing logarithmic equations
👉 Learn how to graph logarithmic functions. The logarithmic function is the inverse of the exponential function. To graph a logarithmic function, it is usually very useful to make the table of values of the function. This is done by...
Curated Video
GCSE Secondary Maths Age 13-17 - Ratio, Proportion & Rates of Change: Ratios - Explained
SchoolOnline's Secondary Maths videos are brilliant, bite-size tutorial videos delivered by examiners. Ideal for ages 13-17, they cover every key topic and sub topic covered in GCSE Maths in clear and easy to follow steps. This video...