Hi, what do you want to do?
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 write the first five terms of a sequence by plugging in their values
π Learn how to find the first five terms of a sequence. Given an explicit formula for a sequence, we can find the nth term of the sequence by plugging the term number of the sequence for n in the given formula. When n = 1, 2, . . ., 5...
Brian McLogan
Identifying reflections over multiple 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 Multiply Polynomials Using Area of a Rectangle - Math Tutorial
π Learn how to multiply polynomials. To multiply polynomials, we use the distributive property. The distributive property is essential for multiplying polynomials. The distributive property is the use of each term of one of the...
Brian McLogan
Learning How to Apply Distributive Property with Polynomials
π Learn how to multiply polynomials. We apply the distributive property to polynomials by multiplying a monomial to every term in a polynomial. When multiplying monomials it is important that we multiply the coefficients and apply the...
Brian McLogan
Apply zero product property to solve a factored quadratic equation
πLearn how to solve a quadratic equation using the zero product property. When a quadratic equation has been factored or is given in factored form, we can solve the quadratic equation by applying the zero product property. The zero...
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
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
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
Learn how to multiply two numbers in scientific notation
π Learn how to multiply numbers written in scientific notations. Scientific notation is a convenient way of writing very large or very small numbers. A number written in scientific notation is of the form a * 10^n where a is the first...
Brian McLogan
Dividing rational expressions
Learn how to divide rational expressions. A rational expression is an expression in the form of a fraction, usually having variable(s) in the denominator. Recall that to divide by a fraction, we multiply by the reciprocal of the...
Brian McLogan
Solving a logarithmic equation in two different ways
π Learn how to solve logarithmic equations. Logarithmic equations are equations with logarithms in them. To solve a logarithmic equation, we first isolate the logarithm part of the equation. After we have isolated the logarithm part of...
Brian McLogan
Math tutorial for how to find the 9th term of a geometric sequence
π Learn how to find the nth term of a geometric 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. A geometric sequence is a sequence in which...
Curated Video
Finding Missing Dimensions Using the Volume Formula
In this video, the teacher explains how to find missing dimensions of three-dimensional figures using the volume formula and inverse operations. The teacher emphasizes the importance of connecting the computation of volume with...
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
Fastest way to multiply by five
π You will learn how to multiply integers from one digit to multiple digits. When multiplying it is important to understand that multiplication is just repeated addition. However with multi-digit numbers we will follow a step by step...
KnowMo
Multiplying Across a Single Bracket: Techniques and Examples
The video is a lecture on how to multiply across a single bracket in algebra. The presenter explains the meaning behind brackets in algebraic expressions and gives an example to demonstrate this. The video then goes on to explain a...
Brian McLogan
Learn how to expand a binomial to fourth power by multiplying
π Learn how to expand a binomial using binomial expansion. A binomial expression is an algebraic expression with two terms. When a binomial expression is raised to a positive integer exponent, we usually use the binomial expansion...
Brian McLogan
Dividing a radical expression
π Learn how to find the square root of rational expressions. To find the square root of a rational expression, we first express the rational expression as the square root of the numerator divided by the square root of the denominator....
Brian McLogan
Simplify Exponents Using Product and Quotient
π Learn about the rules of exponents. An exponent is a number which a number is raised to, to produce a power. It is the number of times which a number will multiply itself in a power. There are several rules used in evaluating...
Brian McLogan
Applying the product rule to simplify an expression with exponents
π Learn how to simplify expressions using the product rule of exponents. The product rule of exponents states that the product of powers with a common base is equivalent to a power with the common base and an exponent which is the sum of...
Brian McLogan
Solving a quadratic by factoring
πLearn how to solve quadratic equations by factoring when a is equal to 1. A quadratic is an algebraic expression having 2 as the highest power of its variable(s). To factor an algebraic expression means to break it up into factors...
Brian McLogan
Why do we have to flip the sign when we divide or multiply by negative one - Cool Math
π Learn about solving an inequality and graphing it's solution. An inequality is a relation where the expression in the left hand side is not equal to the expression in the right hand side of the inequality sign. A linear inequality is...
Brian McLogan
Solving a two step inequaltiy
π Learn how to solve two-step linear inequalities and graph their solution. When solving two step inequalities we will use inverse operations, reverse order of operations and the properties of equality to solve. We will then graph our...