Math Fortress
Calculus III: Two Dimensional Vectors (Level 8 of 13)
This video is a review of Two Dimensional Vectors. This video goes over properties of vector operations. Properties are also proven geometrically and algebraically.
Brian McLogan
Pre-Calculus - how to add two trigonometric expressions without finding the LCD
In this video series I will show you how to simplify trigonometric expressions. We will simplify these expression to either a single trigonometric term or number. To simplify we will use trigonometric identities such as Pythagorean,...
Brian McLogan
Pre-Calculus - Adding two rational trigonometric expressions (cosθ/sinθ)+(sinθ/cosθ)
In this video series I will show you how to simplify trigonometric expressions. We will simplify these expression to either a single trigonometric term or number. To simplify we will use trigonometric identities such as Pythagorean,...
Brian McLogan
Pre-Calculus - Subtracting two trig rational expression and the simplifying the difference
In this video playlist you will learn all about Analytic Trigonometry. We will start by simplifying trigonometric expressions using trigonometric identities such as the quotient, reciprocal,Pythagorean Identies as well basic algebraic...
Brian McLogan
Simplify by adding two rational terms
Learn how to add and/or subtract 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. When adding or subtracting rational...
Brian McLogan
Determine the values of two angles that lie on a lie with a third angle
👉 Learn how to define and classify different angles based on their characteristics and relationships are given a diagram. The different types of angles that we will discuss will be acute, obtuse, right, adjacent, vertical, supplementary,...
Brian McLogan
Simplify two rational expressions by adding
Learn how to add and/or subtract 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. When adding or subtracting rational...
Brian McLogan
Adding two rational expressions by determine the LCD and adding like terms
Learn how to add and/or subtract 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. When adding or subtracting rational...
Brian McLogan
Pre-Calculus - Simplifying a trigonometric expression with only two functions,tan(x)*cos(x)
In this video playlist you will learn all about Analytic Trigonometry. We will start by simplifying trigonometric expressions using trigonometric identities such as the quotient, reciprocal,Pythagorean Identies as well basic algebraic...
Curated Video
Quadratic Sequences: nth Term | Algebra | Maths | FuseSchool
In this video we look at quadratic sequences, and how to find the nth term for them. In quadratic sequences, the first difference changes every time. So instead, we look at the second differences. If the second difference is constant,...
Curated Video
Factorising Expressions - Single Brackets | Algebra | Maths | FuseSchool
It is know as factorising in England and factoring in America. They mean to put an expression into brackets. We say it has been factorised. Numbers have factors, the factors of 6 are 1, 2, 3 and 6. Expressions can also have factors like...
Curated Video
Expanding Square Brackets | Algebra | Maths | FuseSchool
In this video we’re going to have a look at how to expand squared brackets. You should already know how to expand double brackets by multiplying each term in the first bracket, by each term in the second bracket and then simplifying....
Curated Video
Dividing Polynomials By Integers & Monomials | Algebra | Maths | FuseSchool
Dividing a polynomial by an integer or an expression is really just another way of simplifying. There isn’t actually anything new to learn: you just need to be able to simplify numbers (like 20/15 simplifies down to 4/3) and know how to...
Curated Video
Solving Equations Involving Fractions | Algebra | Maths | FuseSchool
How do we solve equations that involve fractions? Before we get started, I am assuming you already know how to solve equations by balancing: you must do the exact same thing to both sides. So lets have a look at how to solve equations...
Curated Video
Arithmetic (Linear) Sequences | Algebra | Maths | FuseSchool
In this video we are going to look at arithmetic sequences in more detail. These are also known as linear sequences. We will discover how to find the nth term rule, which we will then use to find any term in the sequence. Before we...
Curated Video
Solving Quadratics By Factorising | Algebra | Maths | FuseSchool
Quadratics using have an x-squared, an x term and a number on it’s own (known as a constant). There are a few different ways to solve quadratics: factorising, using the quadratic formula or by completing the square. In this video we look...
Curated Video
What Is A Function | Algebra | Maths | FuseSchool
A function is an operation, or series of operations, that transforms a set of numbers into a different set. We put our input into the function, operations are performed on it, and a different number is outputted. If we have this function...
Curated Video
Quadratic Inequalities | Algebra | Maths | FuseSchool
CREDITS Animation & Design: Jean-Pierre Louw - www.behance.net/Appel718 Narration: Lucy Billings Script: Lucy Billings You probably already know that quadratic equations look like this... We can also have quadratic inequalities... We use...
Curated Video
Difference Of Two Squares - Factorising Quadratics | Algebra | Maths | FuseSchool
In this video we discover what the difference of two squares means and how to factorise these ‘special’ quadratics. To factorise these quadratics, you need to know the square numbers. Any expression that has x-squared as the highest...
Curated Video
Table Of Ordered Pairs: Substitution | Algebra | Maths | FuseSchool
In this video we’re going to look at how to use substitution in equations to generate a table of ordered pairs. Ordered pairs (coordinates) can be used to solve equations, to plot graphs, and so we come across them a lot in Maths. You...
Curated Video
Can You Solve The Lying Fishermen Riddle? A Fantastic Algebra Puzzle
Thanks to Halvor Kjærås for creating this logic puzzle! Barney says he caught 5 fish, and Alfred says he caught 2. But each person fibs about numbers when spoken aloud. Can you figure out how many each person actually caught? My blog...
Curated Video
Can You Solve The Cat, Fish, And Bird Riddle? This Algebra Problem Tricks Many
A child spent $100.00 to get 100 toy animals. The child bought at least one cat, one fish, and one bird, and did not buy any other toys. If a cat costs $10.00, a fish costs $3.00, and a bird costs $0.50, how many of each toy did the...
Curated Video
Solving Simple Equations Using Inspection | Algebra | Maths | FuseSchool
In this video we’re going to look at how we can solve equations using a method called inspection. An equation is a mathematical sentence with two sides that are equal to each other. We solve equations to find the number or numbers that...
Curated Video
Inequalities | Algebra | Maths | FuseSchool
An equal’s sign means two expressions are equal to one another. But sometimes the expressions are not equal… we might only know that something is bigger than or smaller than something else… this is where inequalities come into play....
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