Brian McLogan
Find the difference between 2 polynomials by rewriting as addition problem by distributing
π Learn how to add and subtract polynomials by either using the vertical or horizontal method.
Brian McLogan
Learn to solve a system of equations using substitution
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
How do you solve a linear equation in standard form for y
π 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
Algebra 2 - Learn how to simplify the quotient of imaginary numbers, -8/3i
In this video playlist you will learn how to simplify complex numbers under a radical as well as raised to a higher power. You will learn to add, subtract, multiply and divide complex numbers to write in simplified standard form. When...
Brian McLogan
Word problem dealing with perimeter of a rectangle - Free Math videos
π Learn how to find the area and perimeter of a rectangle. A rectangle is a parallelogram with all the angles equal to 90 degrees. The area of a shape is the measure of the portion enclosed by the shape while the perimeter of a shape is...
Brian McLogan
How to subtract fractions with like denominators and proper answers
π Learn how to add or subtract fractions with common denominators. When adding or subtracting two or more fractions with common denominators, we add or subtract only the numerator while we keep the denominator the same. We will then...
Brian McLogan
Adding fractions with unlike denominators | 2/5 + 2/3
π Learn how to add and subtract fractions whose denominators are not the same. Recall that when we want to add or subtract fractions having the same denominator, we add the numerators and retain the (common) denominator. This is...
Brian McLogan
Finding the rule of the sequence using multiplication and addition
π Learn how to write the explicit formula for the nth term of an arithmetic sequence. A sequence is a list of numbers/values exhibiting a defined pattern. A number/value in a sequence is called a term of the sequence. An arithmetic...
Brian McLogan
Using completing the square to identify focus, directrix and vertex of a parabola
Learn how to graph a parabola in when it is given in general form. To graph a parabola in conic sections we will need to convert the equation from general form to standard form by completing the square. Once it is in standard form we can...
Brian McLogan
Identifying vertical and horizontal shifts of functions
π Learn how to identify transformations of functions. Transformation of a function involves alterations to the graph of the parent function. The transformations can be dilations, translations (shifts), reflection, stretches, shrinks,...
Brian McLogan
How to evaluate for cosine using the sum and difference identities
π Learn how to evaluate the cosine of an angle in radians using the sum/difference formulas. To do this, we first express the given angle as a sum or a difference of two (easy to evaluate) angles, then we use the unit circle and the...
Brian McLogan
Applying the rules of exponents when multiplying two rational expressions
π Learn how to simplify expressions by multiplying its terms. When multiplying expressions, each individual term of the expression is multiplied to its like term and the exponents are evaluated using the product rule, the quotient rule...
Brian McLogan
Finding the slope and y intercept by putting an equation in slope intercept form, 6x-3y=18
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
Determine the slope between two points that are fractions
π Learn how to find the slope between two points. The slope of a line is the steepness of the line. The horizontal line has a zero slope while the vertical line has an undefined slope. To determine the slope of a line passing through two...
Brian McLogan
What does inverse operations mean
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
Solving an equation with two terms in the numerator
π 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
Solving a two-step equation when your variable is being divided
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...
Curated Video
Dividing Exponential Expressions with Exponents in the Denominator
In this video, the teacher explains how to divide exponential expressions when the exponent in the denominator is greater than or equal to the exponent in the numerator. They demonstrate the concept using examples and emphasize the...
Curated Video
Expanding Numbers to Add or Subtract: Using Expanded Form
In this lesson, students learn how to expand a number to add or subtract 10 or 100 using expanded form. The teacher explains the concept by breaking down numbers into their place values and demonstrates how to perform the operations...
Brian McLogan
Pre-Calculus - Adding rational complex numbers- Online Math Tutor 2 / (1+i) - 3/(1-i)
In this math tutorial I will show you how to add and subtract complex numbers. You will learn the steps in adding rational complex numbers and rational expressions with imaginary. Like polynomials when adding complex numbers we can only...
Brian McLogan
Evaluating the partial sum of a arithmetic series
π Learn how to find the partial sum of an arithmetic series. A series is the sum of the terms of a sequence. An arithmetic series is the sum of the terms of an arithmetic sequence. The formula for the sum of n terms of an arithmetic...
Brian McLogan
How do we solve a system of linear equations using any method
Learn how to solve a system of equations by using any method such as graphing, elimination and substitution. 7x+5y= -12, 3x-4y=1
Brian McLogan
Algebraic phrases to expressions using increased by a number increased by 9
π Learn how to write an algebraic expression from verbal sentence as well as writing out a sentence from a algebraic expression. To do this we need to know what words we use to express operations such as addition, multiplication,...
Brian McLogan
Solving an equation with the variable on the same side
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...