Brian McLogan
How to graph and compare a system of equations and their solutions
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
Learn the basics for solve an exponential equation using a calculator
π Learn how to solve exponential equations. An exponential equation is an equation in which a variable occurs as an exponent. To solve an exponential equation, we isolate the exponential part of the equation. Then we take the log of both...
Brian McLogan
Conics Determine the center, foci, vertices, and co vertices of an ellipse
Learn how to graph vertical ellipse not centered at the origin. A vertical ellipse is an ellipse which major axis is vertical. To graph a vertical ellipse, we first identify some of the properties of the ellipse including the major...
Curated Video
Writing and Graphing Equations of Proportional Relationships
In this lesson, students will learn how to write and graph equations of proportional relationships in the form of direct variations. They will also identify the constant proportionality from an equation and learn how to use it to graph...
Curated Video
Introduction to Oxidation, Reduction, and Half Equations
The video covers oxidation, reduction, and half equations. The speaker explains the concepts of oxidation and reduction, and how they relate to gaining or losing electrons. They also discuss balancing half equations and identifying...
Curated Video
Solving Simple Equations (Using Inverse Operations)
This video lesson will review vocabulary and properties necessary for solving one-step equations. Students will solve equations using addition, subtraction, multiplication or division. Practice problems have been provided where you can...
Brian McLogan
How to simplify an expression using PEMDAS with Brackets
π Learn how to simplify mathematics expressions. A mathematis expression is a finite combination of numbers and symbols formed following a set of operations or rules. To simplify a mathematics expression means to reduce the expression...
Brian McLogan
Solve a system of equations by substitution when both y variables are isolated
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...
Brian McLogan
Solve trigonometric equation by factoring with sine and cosine
π Learn how to solve trigonometric equations by factoring out the GCF. When solving trigonometric equations involving the multiples of the same trigonometric function. It is very useful to collect similar trigonometric functions together...
Brian McLogan
Determine the missing sides and angles using the law of sines
π Learn how to solve for the length of the sides and the measures of the angles of a triangle using the law of sines. The law of sines is used in determining the length of the opposite side to a known angle measure or the measure of the...
Brian McLogan
Summary for solving a quadratic by factoring out a GCF
πLearn how to solve quadratic functions. Quadratic equations are equations whose highest power in the variable(s) is 2. They are of the form y = ax^2 + bx + c. There are various techniques which can be applied in solving quadratic...
Brian McLogan
Factoring using the difference of two squares
πLearn how to factor quadratics using the difference of two squares method. When a quadratic contains two terms where each of the terms can be expressed as the square of a number and the sign between the two terms is the minus sign, then...
Brian McLogan
Using substitution to solve a system
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...
Brian McLogan
Using elimination to solve a system
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
How to rewrite an equation into slope intercept form
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 solve a proportion with a variable on both sides
π Learn how to solve proportions. Two ratios are said to be proportional when the two ratios are equal. Thus, proportion problems are problems involving the equality of two ratios. When given a proportion problem with an unknown, we...
Brian McLogan
Graphing an inequality with the variable on the right side and negative
π 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
Write the equation of a line parallel to another through a given point
π Learn how to write the equation of a line that is parallel 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 forms...
Brian McLogan
how to rewrite a linear equation so that you can find the slope and y 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
Find the equation of a line through a point with a given graph
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
Solving one step equations with ease
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...
Brian McLogan
How to solve a system by graphing with a horizontal line
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
Master Solving a system of equations by graphing with no or infinite many solutions
Master Solving a system of equations by graphing with no or infinite many solutions
Brian McLogan
Find the solution to a rational equations and label extraneous solutions
π Learn how to solve rational equations. A rational expression is an expression in the form of a fraction where the numerator and/or the denominator are/is an algebraic expression. There are many ways to solve rational expressions, one...