Brian McLogan
How to use substitution to solve a system of linear equations
๐Learn 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...
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...
Brian McLogan
Using two multipliers when solving a system of equations using the addition method
๐Learn 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
๐Learn 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 a Multiplier to Solve the System of Equations Using Elimination
๐Learn 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
Solving a linear system of two equations by graphing
๐To 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
How to Determine When a System of Equation Has no Solution by Elimination
๐Learn 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
Solve the system of equations by using substitution
๐Learn 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...
Why U
Algebra 52 - An Introduction to Matrices
Matrices are an important class of mathematical object used in many branches of mathematics, science and engineering. This lecture also introduces augmented matrices, a compact easy-to-manipulate representation of systems of linear...
Why U
Algebra 63 - Gauss-Jordan Elimination with Curve Fitting
This lecture examines a useful mathematical application that can be solved by using a system of linear equations with four or more variables - finding a polynomial function whose graph passes through a given set of data points. We see...
Brian McLogan
Free Online Tutoring solving quadratics
๐Learn how to solve quadratic equations using the square root method. It is important to understand that not all quadratics have to be solved using factoring or quadratic formula. When we only have one variable but it is squared we can...
Brian McLogan
How to solve a system of equations using the addition method, 2w+5y= -24; 3w-5y=14
๐Learn 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
Graphing the system of linear equations with one solution
๐To 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)...
Let's Tute
Reducing Equations to Linear Equations
In this session on pair of linear equations, we learned how to solve equations that are not linear by reducing them to linear equations. We demonstrated this by converting two equations with variables in the denominator into linear...
Let's Tute
Solving Linear Equations Using Cross-Multiplication Method
The video is a problem-solving session for a pair of linear equations using the cross multiplication method. The teacher explains the steps involved in solving the equations and demonstrates how to substitute values into the formula. The...
Brian McLogan
Solving a one step equation by applying the multiplication property of equality
๐ Learn how to solve one step linear equations. By one step we mean equations that take one step to solve. The one step is the inverse operation needed to isolate the variable such as addition, subtraction, division and multiplication...
Curated Video
Solving Systems of Linear Equations Using Tables
In this video, the teacher explains how to solve a system of linear equations using a table. They use the example of creating different polygons using a specific number of magnetic bars.
Brian McLogan
Using Multipliers to Solve a System of Equations Using Elimination
๐Learn 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 determine slope and y intercept when an equation is in slope intercept form
๐ In this playlist you will learn how to graph a linear equation in standard form, slope intercept form as well as when the slope and y intercept are provided. In addition to graphing linear equations we will also learn how to determine...
Brian McLogan
How to solve one step equations
๐ Learn all about the processes and definitions for solving linear equations. You will gain a better understanding about the vocabulary and steps used to solve liner equations such as how to isolate an equation and apply inverse...
Brian McLogan
Summary for solving literal equations
๐ In this playlist, you will learn how to solve a literal equation. We will work through solving literal equations from formulas as well as equations of a line. When solving literal equations we will be isolating a given variable by...
Brian McLogan
Solving a linear system of two equations by graphing
๐To 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)...
Curated Video
Finding Solutions to Linear Equations through Graphs
In this video, students learn how to find the solution to a pair of linear equations by looking at their graphs. The solution is a pair of values that make both equations true at the same time.