Brian McLogan
Factor a trinomial using ac method when you have a coefficient for quadratic term
👉Learn how to factor quadratics when the coefficient of the term with a squared variable is not 1. To factor an algebraic expression means to break it up into expressions that can be multiplied together to get the original expression. To...
Brian McLogan
Applying substitution to solve a system of equations with infinite many solutions
👉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
How to find an equation to a line perpendicular and through a point
👉 Learn how to write the equation of a line that is perpendicular to a given line. 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...
Let's Tute
Solving Linear Equations Using Substitution Method
In this video, we learn how to solve a pair of linear equations using the substitution method. The teacher walks us through the steps of substituting one equation into the other and solving for one variable, then plugging that value into...
Brian McLogan
Solving a linear equation written as a rational quantity
👉 Learn how to solve two step rational linear equations. A linear equation is an equation whose highest exponent on its variable(s) is 1. A rational equation is an equation containing at least one fraction whose numerator and (or)...
Brian McLogan
How to solve a one step equation using the division property of equality with a fraction
👉 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...
Brian McLogan
How to determine if a table represents direct variation
In this video I will show you how to use direct variation to help determine the missing variable, as well as how to determine if an equation is an example of direct variation or not. For an equation to be an example of direct variation...
Why U
Algebra 81 - Division with Complex Numbers
Dividing complex numbers can be more complicated than multiplying complex numbers since when the result is a fraction, in order to write that fraction as a complex number in standard form, it must be separated into a real part plus an...
Curated Video
Introduction to Oxidation and Reduction and Half Equations
This video is an educational tutorial on the concepts of oxidation and reduction in chemistry. The presenter covers topics such as state symbols, ionization, and half equations. Using examples and demonstrations, the presenter explains...
Curated Video
Determining Infinitely Many Solutions in a System of Linear Equations by Graphing
In this video, the teacher explains how to determine if a system of two linear equations in two variables has infinitely many solutions by graphing. The teacher reviews the slope-intercept form of an equation and demonstrates how to...
Why U
Pre-Algebra 16 - Reducing Fractions
The process of reducing any fraction to its simplest possible form is easily visualized using the number line.
Brian McLogan
When a is Greater Than One Factor the Polynomial
👉Learn how to factor quadratics when the coefficient of the term with a squared variable is not 1. To factor an algebraic expression means to break it up into expressions that can be multiplied together to get the original expression. To...
Brian McLogan
Using substitution on a basic system of equations problem
👉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
Graphing a system of two inequalities in slope intercept form
👉 Learn how to graph a system of inequalities. A system of inequalities is a set of inequalities which are collectively satisfied by a certain range of values for the variables. To graph a system of inequalities, each inequality making...
Brian McLogan
Find the line perpendicular to a line through a given point
👉 Learn how to write the equation of a line that is perpendicular to a given line. 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...
Brian McLogan
Solve and graph a one variable inequality
👉 Learn how to solve one step inequalities. When solving one step inequalities we will use inverse operations to isolate the variable. To represent our solution we will graph on the number line and use open and closed points based on the...
Brian McLogan
Rewriting a linear equation in standard form to slope intercept form to identify slope
👉 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
Find the area of a right triangle - Online Tutor - Free Math Videos
👉 Learn how to find the area and perimeter of triangles. A triangle is a shape of three sides. The area of a shape is the measure of the portion enclosed by the shape while the perimeter of a shape is the measure of the outline enclosing...
Brian McLogan
What are reference angles
👉 Learn how to define angle relationships. Knowledge of the relationships between angles can help in determining the value of a given angle. The various angle relationships include: vertical angles, adjacent angles, complementary angles,...
Brian McLogan
Learning to solve a quadratic with two irrational solutions using quadratic formula
👉 Learn how to solve quadratic equations using the quadratic formula. A quadratic equation is an equation whose highest power on its variable(s) is 2. The quadratic formula is a formula which can be used to find the roots of (solve) a...
Brian McLogan
Graphing a system of linear equations with one solution
👉To 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
Graph a Piecewise Function With Three Equations
👉 Learn how to graph piecewise functions. A piecewise function is a function that has more than one sub-functions for different sub-intervals(sub-domains) of the function's domain. To graph a piecewise function, we graph the different...
Brian McLogan
Finding the standard form of a parabola given directrix and vertex
Learn how to write the equation of a parabola given the vertex and the directrix. A parabola is the shape of the graph of a quadratic equation. A parabola can open up or down (if x is squared) or open left or right (if y is squared)....
Brian McLogan
Computing exponential growth word problem
Learn about compound interest. We will look at how to determine the final value, initial value, interest rate and years needed. We will investigate problems compounded continuously, daily, weekly, monthly, quarterly and yearly. These...