Instructional Video3:59
Curated Video

Understanding Equations and Solutions: Applying Properties of Equality

K - 5th
In this video, the teacher explains how two different equations can have the same solution by applying properties of equality and real numbers. They provide examples and demonstrate how performing the same operation on both sides of an...
Instructional Video4:49
Zach Star

My Hardest Engineering Classes

12th - Higher Ed
The classes mentioned in this video probably would not be categorized as the 'hardest engineering' classes in my curriculum, but there are some that stood out as difficult for me. This will differ from person to person but regardless of...
Podcast5:05
Tumble Science Podcast for Kids

Physics Helps Falcons Fly Fast

Pre-K - Higher Ed
The fastest animal on Earth is not a land animal. The peregrine falcon can fly at speeds of over 200 miles per hour when it hunts for its next meal. It is difficult to study something that moves so fast, so scientists have to use...
Instructional Video14:03
Brian McLogan

Solve a system with three variables

12th - Higher Ed
๐Ÿ‘‰Learn how to solve a system of three linear systems. A system of equations is a set of equations which are to be solved simultaneously. A linear equation is an equation whose graph is a straight line. The solution to a system of...
Instructional Video4:43
Brian McLogan

Find the roots of a quadratic using the quadratic formula

12th - Higher Ed
๐Ÿ‘‰ 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...
Instructional Video5:20
Brian McLogan

Use substitution to solve a system of equations with variables n and m

12th - Higher Ed
๐Ÿ‘‰Learn how to solve a system of equations by substitution. To solve a system of equations means to obtain a common values of the variables that makes the each of the equation in the system true. To solve a system of equations by...
Instructional Video5:00
Brian McLogan

Learn how to solve a system of equations by substitution

12th - Higher Ed
๐Ÿ‘‰Learn how to solve a system of equations by substitution. To solve a system of equations means to obtain a common values of the variables that makes the each of the equation in the system true. To solve a system of equations by...
Instructional Video4:49
Brian McLogan

How to graph the system of linear inequalities using slope intercept form

12th - Higher Ed
๐Ÿ‘‰ Learn how to graph a system of inequalities. A system of inequalities is a set of inequalities which are collectively satisfied by a certain range of values for the variables. To graph a system of inequalities, each inequality making...
Instructional Video4:43
Brian McLogan

Graphing a System of Equations by Eliminating the Fractions

12th - Higher Ed
๐Ÿ‘‰Learn how to solve a system (of equations) by elimination. A system of equations is a set of equations which are collectively satisfied by one solution of the variables. The elimination method of solving a system of equations involves...
Instructional Video3:25
Brian McLogan

Determining the Solution of a System of Equations by Using the Elimination Method

12th - Higher Ed
๐Ÿ‘‰Learn how to solve a system (of equations) by elimination. A system of equations is a set of equations which are collectively satisfied by one solution of the variables. The elimination method of solving a system of equations involves...
Instructional Video4:15
Brian McLogan

Using a multiplier with one equation to use the add method to solve the system of equation

12th - Higher Ed
๐Ÿ‘‰Learn how to solve a system (of equations) by elimination. A system of equations is a set of equations which are collectively satisfied by one solution of the variables. The elimination method of solving a system of equations involves...
Instructional Video1:48
Brian McLogan

Finding the equation of a line using point slope form through a point given a slope

12th - Higher Ed
๐Ÿ‘‰ Learn how to write the equation of a line in a point-slope form. The equation of a line is such that its highest exponent on its variable(s) is 1. (i.e. there are no exponents in its variable(s)). There are various forms which we can...
Instructional Video2:48
Brian McLogan

Find the equation of a line perpendicular to a line through a point

12th - Higher Ed
๐Ÿ‘‰ Learn how to write the equation of a line that is perpendicular to a given line. The equation of a line is such that its highest exponent on its variable(s) is 1. (i.e. there are no exponents in its variable(s)). There are various...
Instructional Video6:27
Brian McLogan

Summary for solving two step equations

12th - Higher Ed
๐Ÿ‘‰ Learn all about the processes and definitions for solving linear equations. You will gain a better understanding about the vocabulary and steps used to solve liner equations such as how to isolate an equation and apply inverse...
Instructional Video4:51
Curated Video

Predicting Solutions of Linear Equations

K - 5th
In this video, the teacher explains how to determine the number of solutions in a system of linear equations by inspection. They review the slope-intercept form of equations and demonstrate how to graph them. The teacher also explains...
Instructional Video13:57
Why U

Algebra 78 - Imaginary and Complex Numbers

12th - Higher Ed
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...
Instructional Video3:38
Why U

Algebra 13 - Domain and Range of Binary Relations

12th - Higher Ed
Two sets which are of primary interest when studying binary relations are the domain and range of the relation.
Instructional Video5:43
NASA

NASA | Supercomputing the Climate

3rd - 11th
Goddard Space Flight Center is the home of a state-of-the-art supercomputing facility called the NASA Center for Climate Simulation (NCCS) that is capable of running highly complex models to help scientists better understand Earth's...
Instructional Video6:30
Brian McLogan

Graphing a Piecewise Function

12th - Higher Ed
๐Ÿ‘‰ Learn how to graph piecewise functions. A piecewise function is a function that has more than one sub-functions for different sub-intervals(sub-domains) of the function's domain. To graph a piecewise function, we graph the different...
Instructional Video5:34
Brian McLogan

Conic section plotting the vertices and co-vertices to write the equation of the ellipse

12th - Higher Ed
Learn how to write the equation of an ellipse from its properties. The equation of an ellipse comprises of three major properties of the ellipse: the major radius (a), the minor radius (b) and the center (h, k). The ellipse is vertical...
Instructional Video2:53
Brian McLogan

Solving trigonometric equations with multiple angles

12th - Higher Ed
๐Ÿ‘‰ Learn how to solve trigonometric equations. There are various methods that can be used to evaluate trigonometric equations, they include by factoring out the GCF and simplifying the factored equation. Another method is to use a...
Instructional Video4:06
Brian McLogan

Using Two Multipliers to Solve a System of Equations with Elimination

12th - Higher Ed
๐Ÿ‘‰Learn how to solve a system (of equations) by elimination. A system of equations is a set of equations which are collectively satisfied by one solution of the variables. The elimination method of solving a system of equations involves...
Instructional Video4:17
Brian McLogan

Solve a system of equations by multiplying one equation by a multiplier then adding them

12th - Higher Ed
๐Ÿ‘‰Learn how to solve a system (of equations) by elimination. A system of equations is a set of equations which are collectively satisfied by one solution of the variables. The elimination method of solving a system of equations involves...
Instructional Video4:02
Brian McLogan

Learn how to solve a multi step inequality with parenthesis on both sides

12th - Higher Ed
๐Ÿ‘‰ Learn how to solve multi-step linear inequalities having parenthesis. An inequality is a statement in which one value is not equal to the other value. An inequality is linear when the highest exponent in its variable(s) is 1. (i.e....