Brian McLogan
Verifying trig identities by using subtraction
👉 Learn how to verify rational trigonometric identities involving the addition and subtraction of terms. 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...
Brian McLogan
What are the sum and difference formulas for sine
👉 Learn all about sum and difference angle identities. In this video playlist, you will learn how to evaluate, solve, simplify and verify using sum and difference angle identities. We will evaluate using angles not found on the unit...
Brian McLogan
How to solve a trigonometric equation
👉 Learn how to solve trigonometric equations. There are various methods that can be used to evaluate trigonometric identities, they include by factoring out the GCF and simplifying the factored equation. Another method is to use a...
Brian McLogan
How to evaluate the addition of two functions
👉 Learn how to add or subtract two functions. Given two functions, say f(x) and g(x), to add (f+g)(x) or f(x) + g(x) or to subtract (f - g)(x) or f(x) - g(x) the two functions we use the method of adding/subtracting algebraic expressions...
Brian McLogan
Divide a linear equation by a quadratic to determine the domain
👉 Learn how to divide two functions. We will explore the division of linear, quadratic, rational, and radical functions. To divide two functions, we simply algebraically divide the rules (contents) of the two functions. We will then...
Brian McLogan
How to find the intersection point of two linear equations
In this video series I show you how to solve a system of equations by graphing. When solving a system of equations by graphing we graph each equation separately and then analyze where the two lines intersect or if at all. If the two...
Brian McLogan
How to find the LCD to add two rational expressions
Learn how to add/subtract rational expressions with trinomials in the denominator. When adding or subtracting two or more rational expressions with common denominators, we add or subtract only the numerator while we keep the denominator...
Brian McLogan
Given a quadratic function, find the inverse and determine if a function or not
👉 Learn how to find the inverse of a quadratic function. A quadratic function is a function whose highest exponent in the variable(s) of the function is 2. The inverse of a function is a function that reverses the "effect" of the...
Brian McLogan
Given Rational a Rational Zero, Find the Equation of the Polynomial
👉 Learn how to find all the zeros of a polynomial given one rational zero. 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 of a...
Brian McLogan
Finding Three consecutive even integers that equal a negative number - Online Tutor
👉 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
Applying Descartes rule of signs with all positive terms
👉 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...
Brian McLogan
Applying Descartes rule of signs to identify the real and complex zeros
👉 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...
Brian McLogan
Algebra 2 - Learn how to simplify a complex fraction by eliminating the denominator
👉 Learn how to simplify complex fractions. To simplify complex fractions having the addition/subtraction of more than one fractions in the numerator or/and in the denominator we first evaluate the numerator or/and the denominator...
Brian McLogan
Algebra 2 Learn how to simplify an expression by rationalizing denominator with complex numbers -7/i
In this video playlist you will learn everything you need to know with complex and imaginary numbers -7/i
The Business Professor
Segmented Income Statements Using Variable Costing
Segmented income statements using variable costing approach is a useful tool for managerial accounting. It separates how fixed and variable expenses are accounted for.
The Business Professor
Cost Volume Profit Analysis - Contribution Margin in Accounting
Contribution margin is a key assumption when conducting a Cost Volume Profit Analysis. This video explains the relevance of this assumption.
Brian McLogan
Master adding subtracting multiplying and dividing rational and radical functions
Master adding subtracting multiplying and dividing rational and radical functions
Brian McLogan
What is the long division algorithm
👉 Learn how to divide polynomials by binomial divisors using the long division algorithm. A binomial is an algebraic expression having two terms. Before dividing a polynomial, it is usually important to arrange the divisor in the...
Brian McLogan
Use Descartes Rule of signs to determine the number of positive and negative
👉 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...
Brian McLogan
Completing the square of two functions
👉 Learn how to write a quadratic equation from standard form to vertex form by completing the square. A quadratic equation is an equation whose highest exponent in the variable(s) is 2. It is of the form f(x) = ax^2 + bx + c. Given a...
Curated Video
Subtracting Fractions: Separating Parts to Find the Difference
In this video, the teacher explains how to subtract fractions by separating the parts to find the difference. They emphasize the importance of understanding the numerator and denominator and avoiding the common mistake of subtracting...
Curated Video
Special Products of Polynomials: Recognizing Patterns and Applying Them to Real Life.
In this video lesson, I will introduce special products of binomials. We will look for patterns. The Sum and Difference Pattern and the Square of a Binomial Pattern will be our focus. Student practice is embedded in the lesson and...
Curated Video
Create Paint Splatter Image Effects in PowerPoint
In this tutorial, I'll show you how to create the effect of paint splatters, paint blots and brush strokes with your own custom images inside them to create a striking and original look.
Curated Video
Special Solutions of Linear Equations
In this video lesson we will learn that linear equations have three types of solutions. An equation can have one solution, no solution or infinitely many solutions. We will solve equations and learn how to identify these solutions....