Brian McLogan
Solving an equation by taking the square root of a fraction
πLearn 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...
Curated Video
Adding and Subtracting Rational and Irrational Numbers
This video explains how to predict the result of adding and subtracting rational and irrational numbers by looking at general cases algebraically. It covers the definitions of rational and irrational numbers and emphasizes that adding...
Brian McLogan
Subtracting a rational expression from a whole number
Learn how to add/subtract rational expressions. When adding or subtracting two or more rational expressions with common denominators, we add or subtract only the numerator while we keep the denominator the same. We will then simplify our...
Brian McLogan
How do we know a horizontal shift for a exponential function
π Learn all about graphing exponential functions. An exponential function is a function whose value increases rapidly. To graph an exponential function, it is usually useful to first graph the parent function (without transformations)....
Brian McLogan
Finding the Composition of Two Functions
Learn how to compose two functions where one or both of those functions is/are radical. To compose two functions means to express one of the functions as a function of the other function. This is done by replacing the input variable of...
Brian McLogan
Algebra 2 - Multiplying a complex number squared to simplify the expression, (4 - i)^2
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
Learn how to subtract a three digit whole number from another three digit whole number
π You will learn how to add and subtract integers. We will work through adding and subtracting two integers up to multiple integers. We can look at adding and subtracting integers by looking at there values on a number line where there...
Brian McLogan
How to find equivalent fractions and understanding what they are
π Learn how to understand the concept of fractions using parts of a whole. Fractions are parts of a whole and this concept can be illustrated using bars and circles. This concept can also be extended to understand equivalent fractions....
Brian McLogan
Given a formula of hyperbola in standard form find foci, asymptotes, center vertices
Learn how to graph hyperbolas. To graph a hyperbola from the equation, we first express the equation in the standard form, that is in the form: (x - h)^2 / a^2 - (y - k)^2 / b^2 = 1 for horizontal hyperbola or (y - k)^2 / a^2 - (x - h)^2...
Brian McLogan
How to subtract two trinomials polynomials
π Learn how to subtract polynomials. To subtract polynomials, we first simplify the polynomials by removing all brackets. Then, we combine like terms. Like terms are terms that share the same base and power for each variable. When you...
Brian McLogan
Finding the value of three consecutive numbers adding up to 21 - Free Math Videos
Learn how to solve equations from word problems. A word problem is a real word simulation of a mathematics principle. We can solve equation(s) from a word problems by first understanding what the problem is asking. We then assign...
Brian McLogan
What is the addition property of equality
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
How to solve a multi step equation with a variable on the same side
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
MASTER Graphing a quadratic function in vertex form, identify vertex, axis of symmetry and domain
Welcome to McLogan. So what I'd like to do is show you how to graph a quadratic when it's in vertex form. Now, when graphing a quadratic in vertex form, it's very important to know two things, one, what exactly is vertex form. And I...
Brian McLogan
Simplifying two rational expressions with complex conjugates as denominators
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
Given complementary angles and a straight angle find the missing angle - Math answers
π Learn how to find the value of an unknown variable in the expressions representing the values of angles given the relationship between the angles. When given expressions representing the values of angles and the relationship between...
Brian McLogan
Adding fractions with unlike denominators | 2/3 - 5/6
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
Using operations to simplify polynomials
π Learn how to add and subtract polynomials by either using the vertical or horizontal method.
Brian McLogan
How do we represent subtracting vectors graphically and algebraically
Learn the basics of vector operations. Vectors can be added, subtracted and multiplied. To add or subtract two or more vectors, we add each of the corresponding components of the vectors. To multiply a scalar to a vector, we simply...
Brian McLogan
What are inverse operations and how do we use them to solve two step equations
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
Solving a proportion for a variable
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
Summary for determining the slope between two points
π Learn all about the slope of a line. 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, we need to know the...
Brian McLogan
Using congruent segments find the value of a segment
π Learn how to find the missing measure of a segment. A segment is a line that has two endpoints. A segment can be subdivided into several portions. The length of the segment is the sum of all the sub-divisions of the segment. Thus, when...
KnowMo
Subtracting Fractions: How to Make Denominators the Same
This video is a lesson on how to subtract fractions. The instructor explains that subtracting fractions is similar to adding fractions and emphasizes the importance of having the same denominator. The video provides examples of...