Brian McLogan
Evaluate an expression with three variables
👉 Learn how to evaluate mathematics expressions. A mathematics expression is a finite combination of numbers and symbols formed following a set of operations or rules. To evaluate a mathematics expression means to obtain the solution to...
Brian McLogan
Master Adding and Subtracting Complex Numbers
Master Adding and Subtracting Complex Numbers
Curated Video
Factoring and the Distributive Property
Factor expressions using the distributive property.
Curated Video
Transformations of Sinusoidal Functions
In this video, students learn about the transformations of sinusoidal functions by shifting their graphs horizontally and vertically. They explore how changing the values of K and H in the equations of sine and cosine functions affect...
Brian McLogan
Solving an equation by completing the square
👉 Learn how to solve quadratic equations by completing the square. When solving a quadratic equation by completing the square, we first take the constant term to the other side of the equation and create a perfect square trinomial with...
Curated Video
Solving Multi-Step Equations with Inverse Operations and Distributive Property
In this video, the teacher explains how to solve multi-step equations using inverse operations and the distributive property. The lesson focuses on isolating the variable and checking the reasonableness of the solution. The teacher...
Curated Video
Evaluating Expressions with Integers
Apply order of operations to evaluate expressions with integers.
Brian McLogan
Completing the square by factoring out a negative one
In this math tutorial I will show you how to sketch a quadratic function, find the axis of symmetry, determine the y-intercepts and find the zeros or x-intercepts. To find the x-intercepts we use such methods as setting the equation...
Curated Video
Identify Equivalent Numerical and Word Expressions
In this video, the teacher helps students understand how to compare numerical and word expressions in a standardized math test question. They go through six answer choices and explain which three are correct, using order of operations...
Brian McLogan
Expand the binomial completely using binomial expansion and pascals triangle
Expand the binomial completely using binomial expansion and pascals triangle
Curated Video
Evaluating the Accuracy of Descriptions of Mathematical Expressions
In this lesson, we learned how to evaluate the accuracy of written descriptions of mathematical expressions. We discovered that it is important to be specific and avoid descriptions that can apply to multiple expressions.
Curated Video
The History of Emoticons and Emojis
Emotion + icon = emoticon. Emoticon + kaomoji = emoji. Learn how we went from the basic, symbol-based emoticons in 1982 to the dynamic, animated emojis that are common on social media and smartphones these days.
Curated Video
Evaluating Algebraic Expressions
Evaluate algebraic expressions with two or more variables and multiple steps.
Curated Video
Writing Equivalent Expressions Using the Distributive Property
In this video, the teacher explains how to write equivalent expressions using the distributive property of multiplication over addition. They demonstrate how to separate parts of an expression using parentheses and distribute the...
Brian McLogan
Find the area of oblique triangle using heron's formula
Learn how to find the area of a triangle. The area of a triangle is the measure of the region enclosed by the triangle. There are several methods that can be used to find the area of a triangle depending on the available information....
Curated Video
Find the Value Using Order of Operations
In this video, the teacher demonstrates how to solve a standardized math test question using the order of operations. The acronym PEMDAS is used to remember the order in which to evaluate expressions with multiple mathematical operations...
Tarver Academy
Evaluating Equations knowing the Variable
In This Episode, Tyler Teaches Us About Evaluating Equations knowing the Variable
Brian McLogan
Solving a proportion with a binomial
👉 Learn how to solve proportions. Two ratios are said to be proportional when the two ratios are equal. Thus, proportion problems are problems involving the equality of two ratios. When given a proportion problem with an unknown, we...
Brian McLogan
How to prove the cofunction identities using sum and difference formulas
👉 Learn how to verify the sum and difference of two angles trigonometric identities using the sum/difference formulas. To verify an identity means to ascertain that the left-hand side is equal to the right-hand side of the equality sign....
Curated Video
Solving Multiplication Problems with the Associative Property
In this lesson, students will learn how to solve multiplication problems with multiple factors using the associative property. They will understand that just like how we can change the order of numbers when adding, we can also change the...
Brian McLogan
Finding the value of a number by using an algebraic equation - 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...
Tarver Academy
Choosing between 2 Salaries Inequality
In This Episode, Tyler Teaches Us About Choosing between 2 Salaries
Curated Video
Using Parentheses to Make Equations True
This video demonstrates how using parentheses changes the outcome of an expression and guides students through various examples to help them understand the concept.
Brian McLogan
Factoring trinomials
👉Learn how to factor quadratics using the difference of two squares method. When a quadratic contains two terms where each of the terms can be expressed as the square of a number and the sign between the two terms is the minus sign, then...