Curated Video
Calculating Speed: Distance, Time, and Equations
This is a lecture video on the topic of calculating speed. The video explains how to calculate the speed of an object based on its distance travelled and time taken. The presenter uses simple examples to illustrate the equations used to...
Brian McLogan
What do I need to know to solve a system of equations by substitution
đŸ‘‰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...
Brian McLogan
Using the Elmination Method to Solve a System of Equations
đŸ‘‰Learn 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
Profitability Analysis: Comparing Companies, Contextualizing Numbers, and Using Ratios
The video is about analyzing profitability of businesses using various equations and ratios such as gross profit, operating profit, and net profit margins. It explains how to make sense of these numbers and turn them into actionable...
ATHS Engineering
Introduction to Trigonometry for Calculating Forces in Trusses
This video teaches basic trigonometry concepts needed to calculate forces in trusses, using the mnemonic "SOHCAHTOA" to remember the sine, cosine, and tangent equations. The video provides examples of how to use these equations to...
APMonitor
Chemical Reaction Differential Equations in Python
Concentrations on chemical species from mole balances are solved for 1, 2, and 4 species in Python with the Scipy.Integrate package ODEINT.
Curated Video
Reactions of Acids and Metals: Predicting Products and Ionic Equations
This is a video discussing the reactions of acids and metals, and deriving the associated ionic equations. The video covers how different acids produce different salts when reacting with metals, and how to predict the resulting salt....
Why U
Algebra 12 - Binary Relations
Fundamental to Algebra is the concept of a binary relation. This concept is closely related to the concept of a function.
Why U
Pre-Algebra 26 - Simplifying Mixed Exponential Expressions
Exponential expressions with multiplied and divided terms can be simplified using the rules of adding and subtracting exponents.
Brian McLogan
Using the properties of Natural logs to solve an exponential equations
đŸ‘‰ Learn how to solve exponential equations in base e. An exponential equation is an equation in which a variable occurs as an exponent. e is a mathematical constant approximately equal to 2.71828. e^x is a special type of exponential...
Brian McLogan
Learn to Solve a System of Equations with One Solution by Elimination
đŸ‘‰Learn 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...
Brian McLogan
How do we solve a system of linear equations using elimination 3x+y=8, 5x+2y=5
đŸ‘‰Learn 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...
Brian McLogan
How to use substitution to solve a system of linear equations
đŸ‘‰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...
Curated Video
Linear Simultaneous Equations: Solving with the Elimination Method
This video provides a lecture on solving linear simultaneous equations using the elimination method. The concept of simultaneous equations is first introduced, followed by a step-by-step explanation of how to use the elimination method...
Curated Video
Understanding Division with Zero and One: Special Properties and Rules
In this lesson, students will learn how to solve division problems by utilizing the special properties of 0 and 1. They will discover that any number divided by itself is 1, any number divided by 1 is itself, and any number divided by 0...
APMonitor
Solve Differential Equations in Python
Differential equations are solved in Python with the Scipy.integrate package using function ODEINT. ODEINT requires three inputs: y = odeint(model, y0, t) model: Function name that returns derivative values at requested y and t values as...
Why U
Algebra 55 - Gauss-jordan Elimination
A system of linear equations in matrix form can be simplified through the process of Gauss-Jordan elimination to reduced row echelon form. At that point, the solutions can be determined directly from the matrix, without having to convert...
Curated Video
Solving Pairs of Linear Equations with Visual Models
In this lesson, students will learn how to solve pairs of linear equations by using visual models and algebraic methods. By representing the equations with visual models, students can easily visualize the problem and understand the...
Curated Video
Determining the Domain and Range of a Function
In this lesson, you will learn how to determine the domain and range of a function by analyzing sets, graphs, equations, and mappings. Understanding the definitions of domain and range is crucial in this process.
Why U
Pre-Algebra 28 - Raising Products and Quotients to Powers
Any expression consisting of multiplied and divided terms can be enclosed in parentheses and raised to a power. This can then be simplified using the rules for multiplying exponents.
Brian McLogan
Solve a system of three variables
đŸ‘‰Learn how to solve a system of three linear systems. A system of equations is a set of equations which are to be solved simultaneously. A linear equation is an equation whose graph is a straight line. The solution to a system of...
Brian McLogan
Learn how to graph a word problem system of inequalities
đŸ‘‰Learn how to solve a system of linear equations from a word problem. A system of equations is a set of more than one equations which are to be solved simultaneously. A word problem is a real world simulation of a mathematical concept....
Brian McLogan
Using two multipliers when solving a system of equations using the addition method
đŸ‘‰Learn 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...
Brian McLogan
Using substitution to solve a system of equations
đŸ‘‰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...