Curated Video
Solving Simultaneous Equations with Algebraic Techniques
This video shows the process for solving the problem presented in IGCSE A June 2018 paper 2HR Q18, which involves simultaneous equations. By using algebraic manipulation and substitution, we will work through the steps to find the...
Curated Video
Solving Quadratic Inequalities Using the Quadratic Formula
This video shows the process for solving the problem presented in IGCSE A June 2018 paper 2HR Q20, which involves quadratic inequalities. We will solve the inequality step-by-step, showing how to use the quadratic formula to find the...
Brian McLogan
How to solve a system of equation 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...
Flipping Physics
Triple the Mass in a Mass-Spring System. How does Period Change?
If the mass in a mass-spring system is tripled, how does the period change? Solution is worked out and then demonstrated.
Curated Video
Understanding the Multiplication Property of Equality
In this video, the teacher explains how multiplying an equation in a system of equations by a constant does not change the solution. They introduce the multiplication property of equality and demonstrate it through examples and trial and...
Curated Video
Finding the Length of a Diagonal in a Rectangular Prism using the Pythagorean Theorem
In this video, the teacher explains how to find the length of a diagonal inside a rectangular prism using the Pythagorean theorem. They review the steps of writing equations, solving for unknown side lengths, and checking the answers.
KnowMo
Introduction to Functions and Composite Functions
This video is a lesson on functions in mathematics. The speaker explains how functions can be thought of as machines that process inputs and produce outputs. They demonstrate how to use algebraic expressions to represent functions and...
The Learning Depot
What are Linking Verbs? | Auxiliary Verbs
A linking verb is a type of auxiliary verb that does not show any action. It simply links, or joins, the subject of a sentence to the subject complement (a word that identifies or describes the subject). The forms of the verbs to be, to...
Curated Video
Computing Depreciation: Analyzing a Model
Through this video, students will understand the concepts of exponential growth and decay, and how they relate to the value of assets over time. By reviewing examples and formulas, students will be able to calculate the worth of...
Tarver Academy
How to Solve Linear Equations by Substitution
In This Episode, Tyler Teaches Us About How to Solve Linear Equations by Substitution
Why U
Algebra 49 - Three Variable Systems in the Real World - Problem 1
Algebra 49, 50 and 51 present three real-world problems which can be solved using systems of three linear equations in three variables. This chapter shows how prices of three individual items can be determined, given three combinations...
Math Fortress
Geometry: Collinearity, Betweenness, and Assumptions (Level 4 of 4)
In this final video we will go over 4 examples that involve angle measurements. We will be making assumptions from diagrams in order to solve these problems.
Curated Video
Graphing Quadratic Functions: Identifying Features and Direction
In this video, the teacher explains the concept of parabolas and how to determine whether they open up or down. They also review the order of operations and the standard form of a quadratic function.
Curated Video
Solving Linear Equations with Parentheses Using the Division Property of Equality
In this video, the teacher explains how to solve equations with parentheses using the division property of equality. They demonstrate step-by-step solutions to different equations, emphasizing the importance of performing operations on...
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...
KnowMo
Solving Simultaneous Equations: Elimination and Substitution Methods
The video explains how to solve simultaneous equations using different methods such as elimination and substitution. The video first explains the concept of simultaneous equations and the importance of getting matching coefficients. It...
KnowMo
The Quadratic Formula: Solving Quadratic Equations
This video is a lecture presentation on the quadratic formula. The presenter explains the form of a quadratic equation and identifies the values of a, b, and c for a given example. The quadratic formula is then introduced and explained...
Flipping Physics
Angular Momentum of a Rigid Body Derivation
Angular momentum of a rigid body is demonstrated and derived. This is an AP Physics C: Mechanics topic. Content Times: 0:00 The Demonstration 1:20 The Derivation 4:15 Newton’s Second Law
Math Fortress
Calculus II: Integration By Parts (Level 1 of 6)
This video goes over a second integration technique used to find indefinite integrals formed by a product of functions. This video goes over the derivation of the integration by parts formula by using the product rule as a starting...
MarketWatch
Inflation 101: here's what it means and how it is calculated
Inflation means prices rise across the board, in an industry or an entire economy. But how does inflation become official and how is it calculated? Here's what you need to know.
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...
Curated Video
Solving Word Problems Using Systems of Equations
In this video, the teacher explains how to use systems of equations to solve word problems. They use the example of buying gummy bears and chocolate at a store to demonstrate the process.
Curated Video
Understanding Geometric Sequences and the Explicit Rule
In this video, the teacher explains the concept of geometric sequences and how to find the explicit rule for such sequences. They also demonstrate how to find specific terms in a geometric sequence using the explicit rule.