KnowMo
Changing the Subject of Formulas: A Guide to Isolating Variables
This video is a lecture on changing the subject of a formula. The instructor explains the importance of understanding the subject of a formula and how to isolate it from other variables in the equation. Various examples are provided to...
Brian McLogan
Applying quotient rule of logarithms to solve the equation, log2 (x+4) - log2 (x-3)=3
👉 Learn about solving logarithmic equations. Logarithmic equations are equations involving logarithms. To solve a logarithmic equation, we first use our knowledge of logarithm laws/properties to express the terms in both sides of the...
Brian McLogan
Converting a negative angle in degrees to radians
👉 Learn how to determine co-terminal angles given one angle. An angle is a figure formed by two rays that have a common endpoint. The two rays are called the sides of the angle while the common endpoint is called the vertex of the angle....
Brian McLogan
Evaluating for the tangent of an angle using the sum formula, tan
👉 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
Simplify a trig identity by factoring out a trig term
👉 Learn how to simplify identities by factoring. Just like in normal algebraic expressions, trigonometric identities can be simplified by factoring out the GCFs from the terms of the identities, then common trigonometric identities like...
Brian McLogan
Find the value of x when 2 functions are set equal to each other
In this video tutorial I show you how to solve a quadratic equation by factoring. To do this we first need to factor the equation by using any of the methods we have previously discussed. We then set our factored form of our quadratic to...
Brian McLogan
Evaluate the six trigonometric functions for the given real number
👉 Learn how to evaluate the six trigonometric functions of a given angle. When given an angle we locate the angle on the unit circle. Then using the coordinate of the terminal side of the angle on the unit circle and the definitions of...
Brian McLogan
Pre-Calculus - Adding rational expressions with and imaginary conjugates 2i/(2+i) + 5/(2-i)
In this math tutorial I will show you how to add and subtract complex numbers. You will learn the steps in adding rational complex numbers and rational expressions with imaginary. Like polynomials when adding complex numbers we can only...
Brian McLogan
Algebra 2 - Simplifying a complex rational expression - Online Tutor 2/(4-5i)
In this video tutorial I show you how to divide complex numbers. Since complex numbers have an imaginary part which we cannot divide into other numbers we rewrite the expression by multiplying by i or the conjugate on the denominator or...
Curated Video
Solving Equations Using the Distributive Property
In this video, the teacher explains how to solve equations using the distributive property with a balance scale. They demonstrate the common mistake of not distributing all the way and provide step-by-step instructions for solving...
Curated Video
Solving Quadratic Equations by Taking the Square Root
In this lesson, students will learn how to solve quadratic equations by taking the square root. The teacher explains the process step by step, using examples to illustrate the concept.
Curated Video
Calculating Refractive Index and Angles of Incidence and Refraction
The video explains the concept of refractive index and how it determines the bending of light as it crosses the boundary between two different media. The video also demonstrates how to calculate the refractive index of a material, angle...
Brian McLogan
Solving and graphing a two step inequality
👉 Learn how to solve one step inequalities. When solving one step inequalities we will use inverse operations to isolate the variable. To represent our solution we will graph on the number line and use open and closed points based on the...
Brian McLogan
Combining like terms by combining the coefficients ex 1, -n + 4n
👉 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
How to subtract a negative number from a positive number, 11 - (-2)
👉 You will learn how to add and subtract integers. We will work through adding and subtracting two integers up to multiple integers. We can look at adding and subtracting integers by looking at there values on a number line where there...
Brian McLogan
How to solve a quadratic equation when b=0 - Free Math Help - solve
👉Learn how to solve quadratic equations using the square root method. It is important to understand that not all quadratics have to be solved using factoring or quadratic formula. When we only have one variable but it is squared we can...
Brian McLogan
Determine the roots of the quadratic function with fraction coefficients
👉Learn how to solve quadratic equations by factoring when a is equal to 1. A quadratic is an algebraic expression having 2 as the highest power of its variable(s). To factor an algebraic expression means to break it up into factors...
Curated Video
GCSE Secondary Maths Age 13-17 - Algebra: Quadratic Formla - Explained
SchoolOnline's Secondary Maths videos are brilliant, bite-size tutorial videos delivered by examiners. Ideal for ages 13-17, they cover every key topic and sub topic covered in GCSE Maths in clear and easy to follow steps. This video...
Brian McLogan
Converting an equation to the same base to solve
👉 Learn how to solve exponential equations. An exponential equation is an equation in which a variable occurs as an exponent. To solve an exponential equation, we isolate the exponential part of the equation. Then we take the log of both...
Curated Video
Using the Associative Property of Multiplication with Rational Numbers
In this video, the teacher explains how to rewrite multiplication problems with rational numbers using the associative property of multiplication. They review the order of operations and explain how to perform operations inside grouping...
Curated Video
Solving Quadratic Problems: Factored Form and Finding Zeros and Symmetry
In this lesson, students will learn how to convert quadratic functions from standard form to factored form and use it to solve quadratic problems. They will also learn how to find the zeros and lines of symmetry using the factored form.
Curated Video
Inercia
Este programa de video de accion en vivo es acerca de la palabra inercia. El programa esta disenado para reforzar y apoyar la comprension y retencion de la palabra inercia, por parte del estudiante, a traves del uso de videos,...
Easy Languages
We Play Geoguessr in Greece | Easy Greek 103
We Play Geoguessr in Greece | Easy Greek 103 Easy Greek is a project to help you learn Greek in an authentic and fun way. We interview people in the streets of Athens and other places in Greece. All our videos have subtitles in Greek and...
Brian McLogan
Solving for X in an equation using subtraction and division
👉 Learn how to solve two step linear equations. A linear equation is an equation whose highest exponent on its variable(s) is 1. To solve for a variable in a two step linear equation, we first isolate the variable by using inverse...