Brian McLogan
Learn to graph an ellipse from an equation
Learn how to graph horizontal ellipse not centered at the origin. A horizontal ellipse is an ellipse which major axis is horizontal. To graph a horizontal ellipse, we first identify some of the properties of the ellipse including the...
Why U
Algebra 78 - Imaginary and Complex Numbers
The concept of imaginary and complex numbers was a powerful innovation that enabled mathematics to progress into previously uncharted territory. Although this concept was not entirely intuitive, extending our number system to include...
Programming Electronics Academy
How to Use and Understand the Arduino Reference :: Open Source Hardware Group Arduino Tutorials
So you just opened up your fancy new gadget -- maybe an awesome DSLR camera, or the newest gaming system, or maybe a new Blu-ray player. As you gladly tear away the packaging -- you notice a small book that feels like it was printed on...
Brian McLogan
How to write the domain in interval notation with radical in numerator and denominator
π Learn how to find the domain of rational functions with radicals in both the numerator and the denominator. Recall that the domain of a function is the set of possible input values (x-values) of the function. For a rational function,...
Brian McLogan
Find the values that the equation are not defined for
π Learn how to find the domain of rational functions with a radical numerator. Recall that the domain of a function is the set of possible input values (x-values) of the function. For a rational function, the denominator cannot be zero...
Brian McLogan
Finding the Unit Vector of a Vector in Standard Form
Learn how to determine the unit vector of a vector in the same direction. The unit vector is a vector that has a magnitude of 1. The unit vector is obtained by dividing the given vector by its magnitude.
Brian McLogan
Using the quadratic formula to solve an equation
π Learn how to solve quadratic equations using the quadratic formula. A quadratic equation is an equation whose highest power on its variable(s) is 2. The quadratic formula is a formula which can be used to find the roots of (solve) a...
Brian McLogan
Using the square root method to solve a quadratic equation
πLearn 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
Solve a quadratic by applying the square root method
πLearn 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...
Flipping Physics
Throwing a Ball up to 2.0 Meters & Proving the Velocity at the Top is Zero - An Introductory Free-Fall Acceleration Problem
In the previous lesson we dropped a ball from 2.0 meters above the ground and now we throw one up to a height of 2.0 meters. We do this in order to understand the similarities between the two events. Oh, and of course we draw some...
FuseSchool
Exact Trig Values - Easy Table
There are some key angles that have exact values in trigonometry. The ones we need to know are 0, 30, 45, 60 and 90. In this video we will discover one method of remember what these values are - using a table. In the second part we will...
Curated Video
Understanding Functions and Input-Output Relationships
In this lesson, students will learn how input values are transformed into output values using function machines. They will explore different examples of functions and understand that not all relations are functions. Through evaluating...
Flipping Physics
An incline, 2 masses, and a pulley. What could be more fun?
A 55 g mass is attached to a light string, which is placed over a frictionless, massless pulley, and attached to a 199 g block which is on a board inclined at 39.3Β° as shown. Assuming the block starts at rest and the ΞΌk between the...
Brian McLogan
How to solve a word problem involving the cube root
π Learn how to solve literal equations involving formulas. A literal equation is an equation where the unknown values are represented by variables. To solve a literal equation means to make one of the variables the subject of the...
Brian McLogan
How to use a 45 45 90 special right triangle to determine the sides of a triangle
π Learn about the special right triangles. A special right triangle is a right triangle having angles of 30, 60, 90, or 45, 45, 90. Knowledge of the ratio of the length of sides of a special right triangle enables us to solve for any...
Brian McLogan
learn how to find the diameter of a circle given the area
π Learn how to find the area and perimeter of a parallelogram. A parallelogram is a quadrilateral with two pairs of parallel sides. The area of a shape is the measure of the portion enclosed by the shape while the perimeter of a shape is...
Brian McLogan
How do you determine the base of a parallelogram given area
π Learn all about Area and Perimeter. In this playlist, we will explore how to determine the area and perimeter of 2-dimensional figures. We will also look into combinations of figures. The focus will be on rectangles, squares,...
KnowMo
Equation of a Circle and Finding the Tangent
In this video, the presenter discusses the equation of a circle, including its general formula and how to find the radius and equation using Pythagoras. They also demonstrate how to calculate the equation of the tangent to a circle and...
KnowMo
The Cosine Rule: How to Calculate Sides and Angles in Triangles
This video provides an electric presentation on the cosine rule, which is a key concept in trigonometry used to calculate side lengths and angles in triangles. The presenter explains how to label triangles accurately and use two formulas...
Curated Video
Statistics for Data Science and Business Analysis - Standard Deviation and Coefficient of Variation
This video explains standard deviation and coefficient of variation. This clip is from the chapter "Descriptive Statistics Fundamentals" of the series "Statistics for Data Science and Business Analysis".This section describes the...
Curated Video
GCSE Secondary Maths Age 13-17 - Geometry & Measures: Area of a Circle - Problem - 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
Expanding logarithmic expressions
π Learn how to expand logarithmic expressions involving radicals. A logarithmic expression is an expression having logarithms in it. To expand logarithmic expressions means to use the logarithm laws to expand (open up) logarithm...
Brian McLogan
Steps to determining the domain of a radical function
π Learn how to find the domain of a radical function. Recall that the domain of a function is the set of possible input values (x-values) of the function. For a radical square-root function, there cannot be a negative number inside the...
Brian McLogan
Learn to graph an ellipse not in standard form with the center at the origin
Learn how to graph vertical ellipse centered at the origin. A vertical ellipse is an ellipse which major axis is vertical. To graph a vertical ellipse, we first identify some of the properties of the ellipse including the major radius...