Brian McLogan
How to subtract a negative number from a positive number, 11 - (-2)
👉 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...
Curated Video
Multiplying or Dividing an Inequality by a Negative Value
The video discusses the effect of multiplying or dividing an inequality by a negative value. The presenter uses a number line to explain how values become negative and positive as we move left and right, and how this affects inequality....
Brian McLogan
Taking the square root of a negative value raised to an even power, root
👉 Learn how to simplify the square root of an expression. The square root of an expression is an expression which will multiply itself twice to give the original expression. To simplify the square root of an expression, we...
Brian McLogan
Creating the Quadratic Formula | Part #5
Where does the quadratic formula come from? In this video series we have spoken a lot about completing the square and it this video we will show how that relates to the quadratic formula.
Brian McLogan
Graphing a quadratic function in vertex form with reflection
👉 Learn how to graph quadratic equations in vertex form. A quadratic equation is an equation of the form y = ax^2 + bx + c, where a, b and c are constants. The graph of a quadratic equation is in the shape of a parabola which can either...
Brian McLogan
Algebra 2 - Simplifying square roots with imaginary numbers, x^2 + 1 = 0
In this video tutorial I show you how simplify imaginary numbers to a higher power. When working with imaginary numbers we notice that the value of imaginary numbers repeat after the degree 4. Therefore when we have an imaginary number...
Brian McLogan
Simplifying the Root of Positive and Negative Numbers a Brief Rundown, Cube Root(27)
👉 Learn how to find the cube root of a number. To find the cube root of a number, we identify whether that number which we want to find its cube root is a perfect cube. This is done by identifying a number which when raised to the 3rd...
Curated Video
C++ for Beginners - Binary Theory
In this lesson, David discusses binary numbers. This clip is from the chapter "Binary Operations" of the series "C++ for Beginners".Binary Theory
Brian McLogan
Solving a two step equation with negative variable
👉 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
Graphing an inequality when you have to switch the sign
👉 Learn how to graph linear inequalities with one variable. Linear inequalities are graphed the same way as linear equations, the only difference being that one side of the line that satisfies the inequality is shaded. Also broken line...
Brian McLogan
Solving a multi-step inequality and then graphing
👉 Learn how to solve multi-step linear inequalities having parenthesis. An inequality is a statement in which one value is not equal to the other value. An inequality is linear when the highest exponent in its variable(s) is 1. (i.e....
Brian McLogan
Solving a multi step inequality with double distributive property
👉 Learn how to solve multi-step linear inequalities having parenthesis. An inequality is a statement in which one value is not equal to the other value. An inequality is linear when the highest exponent in its variable(s) is 1. (i.e....
Brian McLogan
Algebra 2 - Where does the imaginary unit i come from, y = x^2 + 4
In this video playlist you will learn everything you need to know with complex and imaginary numbers y = x^2 + 4
Brian McLogan
Learn to find the first four terms of a sequence with alternating signs
👉 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
12 Quadratics Solved | Completing the Square
In this video I work through 12 examples of solving quadratic equations using the square root method and completing the square. Even though we could solve each quadratic equation by factoring or completing the square I go through the...
Curated Video
The Complete Beginners Guide to Arduino - 2021 - GPS Clock
In this lecture, we are going to work with a GPS clock. This clip is from the chapter "Step-by-Step Learning with Arduino Projects" of the series "The Complete Beginners Guide to Arduino - 2021".In this important section, we are going to...
Brian McLogan
What are the domain and range of our most basic parent functions
Learn how to determine the domain and range of a function given the graph of the function. Since the domain of a function is the set of all x-values we will want to identify how far left the graph goes as well as how far right to...
Brian McLogan
How to simplify complex numbers by adding and subtracting
👉 Learn how to simplify radical expressions. In this playlist we will explore simplifying radical expressions by prime factorization and rules of exponents. We will explore the square root, cube root as well as the fourth root of numbers...
Brian McLogan
How to apply descartes rule of signs to find all positive & negative zeros of a polynomial
👉 Learn about Descartes' Rule of Signs. Descartes' rule of the sign is used to determine the number of positive and negative real zeros of a polynomial function. Knowing the number of positive and negative real zeros enables also to also...
Curated Video
Solving Inequalities Using Multiplication or Division
In this video lesson we will apply the Properties of Inequality using Multiplication and Division. We will discover that when you multiply or divide both sides of an inequality by the same POSITIVE value the result is an equivalent...
Brian McLogan
What do I need to know to solve a quadratic by the square root method
👉Learn 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...
Brian McLogan
Graphing and solving a two step inequality
👉 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...
Brian McLogan
How to add a negative and a positive number, (-12) + 7
👉 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...