Curated Video
Using the Discriminant in Quadratics
In this video, the presenter explains the concept of the discriminant and its use in solving quadratic equations. They explain how the discriminant is contained within the quadratic formula and how it can be used to determine the number...
Curated Video
Trig Identities: Using Tan Theta and Sine Squared Theta plus Cos Squared Theta
This video is a lecture presentation on using trigonometric identities to solve trigonometric equations. The presenter discusses the identities of Tan Theta being equal to sine Theta over Cos Theta and sine squared Theta plus Cos squared...
Curated Video
The Complete Excel Guide: Beginners to Advanced - Working with the Save and Save As Commands
Let's explore the Save and Save As Commands. This clip is from the chapter "Excel 2019 Beginner: Saving Workbooks" of the series "The Complete Excel Guide: Beginners to Advanced".This section aims to teach you how to save a workbook in...
Curated Video
Understanding the Discriminant in Quadratic Equations
This video is a lecture presentation on the discriminant in algebra. The presenter explains how the discriminant is used to determine the number of real roots in a quadratic equation and how it is contained within the quadratic formula....
Curated Video
Aggregate Supply: Keynesian View and Classical Analysis
This video introduces the Keynesian view of aggregate supply and compares it to the classical approach. The presenter explains how the Keynesian curve was developed during the Great Depression when market forces failed to correct the...
Curated Video
Negative and Fractional Powers: Understanding the Rules and Relationships.
This video provides an explanation and demonstration of negative and fractional powers in mathematics. The presenter starts by explaining that negative powers can be written as fractions and then illustrates this concept using the powers...
Curated Video
Recognizing Asymptotes in Reciprocal Graphs
The video is a tutorial on identifying asymptotes and recognizing reciprocal graphs. The presenter explains the concept of asymptotes using the example of the graph of Y = 1/X and how adding or subtracting values affects the asymptotes....
Curated Video
Solving Simultaneous Equations Using the Substitution Method
This video is a tutorial on how to solve linear simultaneous equations using the substitution method. The presenter explains what simultaneous equations are and how to rearrange them to get a variable on its own, so that they can be...
Curated Video
Laws of Logarithms: Understanding and Application
The video is a lecture presentation on the laws of logarithms. The presenter explains the three laws of logarithms and their applications using examples. The video also covers key facts about logarithms and how to convert them between...
Curated Video
Using Circle Theorems: Angle and Semicircle as a Right Angle
The video is a lecture presentation on the usage of circle theorems, focusing on angles and semicircles being a right angle. The instructor explains how to apply the theorem to find the gradient of lines on the circle, how to prove the...
Curated Video
Google Docs Fundamentals - Emailing as an attachment
Learner will learn to attach their document to an email.
Curated Video
Introduction to Inverse Functions
The video explains the concept of inverse functions and two methods to solve problems involving them. The speaker first defines inverse functions as performing the opposite process of the original function and explains standard notation...
Curated Video
Introduction to Composite Functions in Mathematics
This video explains the concept of composite functions and how to work with them. It provides examples of combining different functions and substituting one function into another. The video also shows how to find the range of a composite...
Curated Video
Rocking Out With Photoshop - How to Change the Shape of Text in Photoshop
Mark introduces you to the tools that allow you to change the shape of text in Photoshop.
Curated Video
Mastering Microsoft Word 365 - Activity- Save as a PDF
Learn how to save your document as a PDF.
Curated Video
Measures of Variation: Range, Interquartile Range, and Percentile Range
This video explains the different measures of variation, specifically the range, interquartile range, and percentile range. The host demonstrates how each measure is calculated and defines the various quartiles and percentiles used in...
Curated Video
Graphing Exponential Functions: Understanding the Gradient Function
The video is a lecture on exponential functions, specifically focusing on the gradient function of A to the power of X. It covers topics such as exponential growth and decay, X-axis asymptotes, and the relationship between A and the...
Curated Video
Understanding Logarithms: Definition and Evaluation
This video is a lecture presentation that explains the definition of log to the base A of X. The instructor explains the inverse relationship between logarithms and exponentials and demonstrates this using graphs of exponential and log...
Curated Video
Introduction to Differentiation and Applying Differentiation Formulae
This video is a math lesson on differentiation, where the presenter explains the concept of differentiation from first principles and how to apply it to different functions. They also discuss the general rule for differentiation and show...
Curated Video
Vector Addition and Multiplication by Scalars
This is a lecture presentation on vector addition and multiplication by scalars. The video explains how to add and subtract two vectors, find the resultant vector using the triangle rule and the parallelogram law of vector addition, and...
Curated Video
Understanding Stationary Points through Second Derivative
The video is a presentation on stationary points, specifically using the second derivative. The presenter summarizes a previous lecture on finding maximum and minimum points and looking at the gradient function. They then introduce an...
Curated Video
Laws of Indices
In this educational video, the presenter gives an overview of the basic laws of indices, including multiplying and dividing indices with the same base, as well as raising indices to another power. The presenter goes through examples and...
Curated Video
Sketch and Factorize Cubic Functions
The video is a lecture presentation on sketching and factorizing cubic functions. The speaker explains the general shape of a cubic function and key trends to know such as three roots, two roots, and one root. The speaker also...
Curated Video
Finding the Centroid of a Triangle Using Vector Geometry and Coordinate Points
The video is a lecture presentation on vector geometry and the ratio theorem, with a focus on finding the centroid of a triangle. The presenter explains the concept of the centroid as the point of concurrency of a triangle and uses...