Brian McLogan
Dividing two rational expressions
👉 Learn how to simplify complex fractions. To simplify complex fractions having a fraction as the numerator and another fraction as the denominator we first factor the expressions that can be factored and then we multiply the fraction in...
Brian McLogan
Learn to evaluate an expression with a negative rational power in denominator
Learn how to evaluate numbers raised to rational powers. When given a number raised to a rational power, we take the nth root of the number where n is the number in the denominator of the rational power, then we raise the result to a...
Flipping Physics
Introduction to Acceleration with Prius Brake Slamming Example Problem
This is an introduction to the concept of acceleration. There is also an example problem showing applying the brakes while driving a car in order to avoid hitting a basketball. Also included are common mistakes students make while...
Brian McLogan
Solving a multi-step equation by multiplying by the denominator
👉 Learn how to solve multi-step equations with variable on both sides of the equation. An equation is a statement stating that two values are equal. A multi-step equation is an equation which can be solved by applying multiple steps of...
Curated Video
Excel VBA Programming The Complete Guide - Procedures with Boolean Arguments + The Workbook_BeforePrint Event
Some event procedures feature a Cancel Boolean argument that can cancel a specific operation by being set to True in the body of the procedure. In this lesson, we try this out with the BeforePrint event procedure. This clip is from the...
Curated Video
Excel VBA Programming The Complete Guide - The MsgBox Method In Depth, Part II
Continuing where we left off in the previous lesson, we wire up the buttons in a sample MsgBox to follow different branches of logic in our VBA code using the If conditional. This clip is from the chapter "Miscellaneous Features" of the...
Curated Video
The Complete Guide to ASP.NET Core MVC (.NET 5) - Order Status Change Action Method
In this video, we'll look at order status change action method. This clip is from the chapter "Order Management" of the series "The Complete Guide to ASP.NET Core MVC (.NET 5)".In this section, let's look at order management.
Brian McLogan
Solve an equation with rational terms
👉 Learn how to solve rational equations. A rational expression is an expression in the form of a fraction where the numerator and/or the denominator are/is an algebraic expression. There are many ways to solve rational expressions, one...
Brian McLogan
Why do we have to include the abs of an even root
👉 Learn how to multiply radicals. A radical is an expression or a number under the root symbol. To multiply radicals with the same root, it is usually easy to evaluate the product by multiplying the numbers or expressions inside the...
Brian McLogan
Proving two functions are inverses of each other
👉 Learn how to show that two functions are inverses. The composition of two functions is using one function as the argument (input) of another function. In simple terms composition of two functions is putting one function inside another...
Professor Dave Explains
Practice Problem: Hess's Law
If we want to find out some information regarding the enthalpy change of a reaction, but we don't want to perform the reaction, we can use Hess's law, which allows us to manipulate thermochemical data for related reactions. Let's...
Brian McLogan
Verifying trigonometric identities by multiplying by the reciprocal
👉 Learn how to verify trigonometric identities having rational expressions. To verify trigonometric expression means to verify that the term on the left hand side of the equality sign is equal to the term on the right hand side. To...
Brian McLogan
Simplifying trigonometric identities
👉 Learn how to verify trigonometric identities having rational expressions. To verify trigonometric expression means to verify that the terms on the left-hand side of the equality sign is equal to the terms on the right-hand side. To...
Brian McLogan
How to Find the Real Zeros of a Function
👉 Learn how to find all the zeros of a polynomial that cannot be easily factored. A polynomial is an expression of the form ax^n + bx^(n-1) + . . . + k, where a, b, and k are constants and the exponents are positive integers. The zeros...
Brian McLogan
Given the Value of Cotangent on the Unit Circle Find the Angle Measurement
👉 Learn how to evaluate the inverse of reciprocal trigonometric functions. Recall that the reciprocal trigonometric functions are given by the ratio of 1 and the corresponding trigonometric function. When an angle is unknown but the...
Brian McLogan
Evaluate the composition of two trig functions
Evaluate the composition of two trig functions
Brian McLogan
Determining if two functions are inverses
👉 Learn how to show that two functions are inverses. The composition of two functions is using one function as the argument (input) of another function. In simple terms composition of two functions is putting one function inside another...
Brian McLogan
Multiply by the conjugate for a rational expression
In this video playlist I show you how to solve different math problems for Algebra, Geometry, Algebra 2 and Pre-Calculus. The video will provide you with math help using step by step instruction. Math help tutorials is just what you need...
Brian McLogan
Using prime factorization to factor out the GCF
👉 Learn how to factor polynomials by GCF. A polynomial is an expression of the form ax^n + bx^(n-1) + . . . + k, where a, b, and k are constants and the exponents are positive integers. To factor an algebraic expression means to break it...
Brian McLogan
Putting a complex expression into standard form
In this math tutorial I will show you how write a complex number in standard form after simple operations have been performed. You will learn how to find the value of real and imaginary numbers in a complex number and then write it in...
Brian McLogan
Changing an equation from standard form to slope intercept form
👉 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
Solving a one step equation by subtracting with a double negative
👉 Learn how to solve a one step equation. An equation is a statement stating that two values are equal. A one step equation is an equation whose solution can be obtained by performing only one step of operation on the equation. To solve...
Brian McLogan
How To find the zeros of a rational function
In this video series you will learn multiple math operations. I teach in front of a live classroom showing my students how to solve math problems step by step. My math tutorials should be used to review previous lessons, complete your...
Brian McLogan
Verifying a trigonometric identity by multiplying by the reciprocal
👉 Learn how to verify trigonometric identities having rational expressions. To verify trigonometric expression means to verify that the term on the left hand side of the equality sign is equal to the term on the right hand side. To...