Brian McLogan
How to use substitution to solve a system of linear equations
πLearn 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...
Brian McLogan
How to classify polynomials
π Learn how to classify polynomials. A polynomial is an expression of the sums/differences of two or more terms having different interger exponents of the same variable. A polynomial can be classified in two ways: by the number of terms...
Brian McLogan
Solve a system of three variables
πLearn 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
Solving a linear equation using two steps
π Learn how to solve two step linear equations. A linear equation is an equation whose highest exponent on its variable(s) is 1. To solve for a variable in a two step linear equation, we first isolate the variable by using inverse...
Brian McLogan
Using point slope form to find the equation of a line of a line given a point and slope
π Learn how to write the equation of a line in a point-slope form. The equation of a line is such that its highest exponent on its variable(s) is 1. (i.e. there are no exponents in its variable(s)). There are various forms which we can...
Brian McLogan
Finding the equation of a line using point slope form given a point and slope
π Learn how to write the equation of a line in a point-slope form. The equation of a line is such that its highest exponent on its variable(s) is 1. (i.e. there are no exponents in its variable(s)). There are various forms which we can...
KnowMo
Understanding Parallel Lines and Calculating Parallel Lines
This video is a lecture on parallel lines, covering the essential concepts for understanding them. The presenter explains that parallel lines are lines that run equidistant to each other and never intersect or cross over, and that all...
Brian McLogan
Solving a linear system of two equations by graphing
πTo 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 find the magnitude and direction of a given vector
In this video series you will learn multiple math operations. I teach in front of a live classroom showing my students how to solve math problems step by step. My math tutorials should be used to review previous lessons, complete your...
Brian McLogan
How to find the angle between two vectors written as a linear combination
Learn how to determine the angle between two vectors. To determine the angle between two vectors you will need to know how to find the magnitude, dot product and inverse cosine. Then, the angle between two vectors is given by the inverse...
Brian McLogan
How to Use Elimination to Solve a System of Equations
πLearn 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
Solving Linear Inequalities
This video is a lecture presentation on solving linear inequalities in mathematics. The speaker begins by reviewing symbols for inequalities and the basics of solving inequalities. They then go on to demonstrate a step-by-step process...
Brian McLogan
Find the sum of a linear equation and square root function to find domain
π Learn how to add or subtract two functions. Given two functions, say f(x) and g(x), to add (f+g)(x) or f(x) + g(x) or to subtract (f - g)(x) or f(x) - g(x) the two functions we use the method of adding/subtracting algebraic expressions...
Brian McLogan
How to solve a system of equations using the addition method, 2w+5y= -24; 3w-5y=14
πLearn 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
Writing an equation using point slope form given a point and slope
π Learn how to write the equation of a line in a point-slope form. The equation of a line is such that its highest exponent on its variable(s) is 1. (i.e. there are no exponents in its variable(s)). There are various forms which we can...
Brian McLogan
Using point slope form find the equation of a line given the slope and a point
π Learn how to write the equation of a line in a point-slope form. The equation of a line is such that its highest exponent on its variable(s) is 1. (i.e. there are no exponents in its variable(s)). There are various forms which we can...
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...
Brian McLogan
Solving a one step equation by applying the multiplication property of equality
π 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...
APMonitor
Linear and Polynomial Regression in MATLAB
Data regression is an empirical method to develop correlations. This tutorial demonstrates how to use MATLAB to fit a line and polynomial functions along with plotting the results and performing a basic statistical analysis.
Brian McLogan
Learn how to identify the slope and y intercept from a linear equation in slope intercept
π Learn how to write the equation of a line in a point-slope form. The equation of a line is such that its highest exponent on its variable(s) is 1. (i.e. there are no exponents in its variable(s)). There are various forms which we can...
Brian McLogan
How to determine slope and y intercept when an equation is in slope intercept form
π 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
π 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
Determine the value of all of the missing measures using all of angle relationships ex 5
π Learn how to solve for an unknown variable using parallel lines and a transversal theorems. Two lines are said to be parallel when they have the same slope and are drawn straight to each other such that they cannot meet. In geometry,...