Brian McLogan
Solving two step equation with two terms in the numerator
👉 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
I still don't get in simplifying basic expressions
👉 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
Adding unlike denominators - free online tutoring, 1/2 + 1/3
👉 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...
KnowMo
Solving Quadratics by Completing the Square
This is a lecture presentation on solving quadratic equations by completing the square. The presenter explains the process of completing the square, provides examples, and walks through the steps to solve for X.
Brian McLogan
Learn how to construct the unit circle
👉 Learn about the unit circle. A unit circle is a circle which radius is 1 and is centered at the origin in the cartesian coordinate system. To construct the unit circle we take note of the points where the unit circle intersects the x-...
Brian McLogan
Graphing a Reflection with a Cosine Functions
👉 Learn how to graph a cosine function. To graph a cosine function, we first determine the amplitude (the maximum point on the graph), the period (the distance/time for a complete oscillation), the phase shift (the horizontal shift from...
Brian McLogan
Finding the Amplitude and Period of a Trigonometric Graph
👉 Learn how to graph a cosine function. To graph a cosine function, we first determine the amplitude (the maximum point on the graph), the period (the distance/time for a complete oscillation), the phase shift (the horizontal shift from...
Curated Video
Complete Java SE 8 Developer Bootcamp - Lists
A list is a collection that retains the order the objects were added to it (unless it is sorted). In addition it permits duplicate objects. Learn more about lists. This clip is from the chapter "Collections" of the series "Complete Java...
Brian McLogan
Math tutorial for using the sum of two angles formula for the tangent of 105 degrees
👉 Learn how to evaluate the tangent of an angle in degrees 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
Verifying a trigonometric Identities
👉 Learn how to verify trigonometric identities involving the addition and subtraction of terms. To do this it is usually useful to convert the addition or subtraction terms in terms of one trigonometric function and then evaluate....
Brian McLogan
What is an exponent - Teacher explains all
👉 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
What is the standard form of sine and cosine
👉 Learn the basics to graphing sine and cosine functions. The sine graph is a sinusiodal graph with x-intercepts at x = 2n*pi, maximun value of 1 at x = pi/2 + 2n*pi and minimum value of -1 at x = -pi/2 + 2n*pi. The cosine graph is a...
Brian McLogan
Evaluate Never ending radical | Can You Solve?
Evaluate Never ending radical | Can You Solve?
Brian McLogan
Finding the domain asymptote and x intercept of a logarithm
👉 Learn how to graph logarithmic functions involving vertical shift. The logarithmic function is the inverse of the exponential function. To graph a logarithmic function, it is usually very useful to make the table of values of the...
Brian McLogan
Find the rule of for a sum of a series
👉 Learn how to write the rule of a series in sigma notation. A series is the sum of the terms of a sequence. When given a series that is neither arithmetic nor geometric, we can write the rule for the series by first identifying the...
Brian McLogan
Algebra 2 Add two complex numbers by rewriting the expression using i, (-5+sqrt(-4))+( -sqrt(-16))
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
Algebra 2 - Tutoring Algebra 2 Adding and subtracting complex numbers (-2+5i) + (1-7i)
In this video tutorial I will show you how to add and subtract complex numbers. When combining complex numbers it is important for us to understand that we must have like terms. We then add and subtract in either the horizontal or...
Curated Video
Arithmetic Sequences: Identifying, Writing Equations, and Finding Terms
In this video, the teacher explains arithmetic sequences, how to identify them, and how to write them as functions. The lesson covers how to find the common difference, additional terms, and how to graph and write the equation of an...
Curated Video
The Complete Guide to ASP.NET Core MVC (.NET 5) - Solution - Company and Application User Models
In this video, we'll look at the solution for company and application user models. This clip is from the chapter "Company and User" of the series "The Complete Guide to ASP.NET Core MVC (.NET 5)".In this section, let's look at company...
Brian McLogan
Multiplying rational expressions
Learn how to multiply rational expressions. A rational expression is an expression in the form of a fraction where the numerator and/or the denominator are/is an algebraic expression. To multiply two rational expressions, we use the...
Brian McLogan
Graphing and adding two vectors to find the resultant vector
Learn how to determine the resultant vector by adding, subtracting and multiplying vectors by a scalar. We will also learn how to graph the resultant vectors to show the operations. Vectors can be added, subtracted and multiplied. To add...
The Backyard Scientist
Chloroform tutorial-Synthesis from Bleach&Acetone!
Ghetto style. 2 gallons 10% sodium hypochlorate and 156ml acetone. Phosgene will not be a problem if you stabilize with a layer of water. Decomposes into CO2.
Curated Video
Rounding to the Nearest Ten with a Carry
Round two and three-digit whole numbers to the nearest ten when a carry is needed.