Weird History
How Exactly Did Australia Become a Penal Colony?
Providing a brief history of Australia is hardly possible, especially when you consider the nation's long and fraught history with Britain. Australia started as a penal colony - a place for lawbreakers to reside outside the confines of...
Curated Video
Identifying Linear and Nonlinear Equations
In this video, the teacher explains how to determine whether an equation is linear or nonlinear by identifying the exponent of the variable. The teacher provides five equations and asks the viewer to determine which ones are linear and...
SciShow
How Plants Tell Time
Plants don’t have brains or muscles, and yet some of them can perform such feats as eating insects or following the sun. Scientists haven’t completely figured out how this happens, but they do have some pretty strong leads.
Curated Video
Graphing and Solving Mathematical Problems on a Coordinate Plane
This video demonstrates how to find the distance between points using absolute value and provide examples of finding the length and width of rectangles on the coordinate plane. This lesson helps students develop their graphing and...
Curated Video
Classify Graphs and Equations as Linear or Nonlinear
In this video math lesson we will learn how to classify graphs and equations as linear or nonlinear functions. We will define a linear function as a relationship between two quantities with a constant rate of change. The graph of a...
Music Matters
How to Work Out the Key of a Piece of Music - Music Theory
Learn how to work out the key of a piece of sheet music. In this music theory lesson we take a look at four extracts of music and practice working out their keys. You'll learn how to make sure you get the correct key by looking at the...
Curated Video
Introduction to Linear Functions: Identifying, Graphing, and Writing Real-Life Problems
This video lesson will provide instruction to be able to identify whether a function is linear or nonlinear from a graph, a table, or an equation. Discrete and continuous domains will be presented and discussed. Practice problems with...
Curated Video
Understanding Linear Functions through Graph Analysis
Learn to define linear functions by analyzing graphs of the forms y = x and y = mx. Understand that linear functions have a constant rate of change and that the coefficient of x, also known as the slope, determines the steepness of the...
Curated Video
Facts about Linear Functions
In this math video we will learn facts about linear functions. We will discuss the characteristics of a linear function in slope-intercept form. We will review that slope-intercept form is y=mx+b. We will discover that m represents the...
Virtually Passed
A better way to understand Differential Equations | Nonlinear Dynamics (Part 1)
Here we show another way to graphically interpret first order ordinary differential equations (ODE's) in the form dx/dt = f(x). Rather than solve the differential equation by integrating, which is often impractical, it's useful to graph...
Brian McLogan
Solving by factoring and using the square root method
👉Learn how to solve a quadratic equation by factoring a perfect square trinomial. A perfect square trinomial quadratic equation is of the form y = x^2 +2cx + c^2, where c is a perfet square. There are couple of ways we can solve a...
Curated Video
Modeling Population Dynamics: Exponential Equations and Stabilization
In this video, the concept of exponential functions is explained, specifically in relation to population growth and decay. The MacArthur-Wilson theory of biogeography is also discussed, which explores the equilibrium point between...
Curated Video
Introduction to Proportional Relationships and Graphs
This video is a presentation on proportional relationships and graphs. The speaker discusses direct and inverse proportion and provides examples along with constant rates of change. They also explain how nonlinear functions can create a...
Curated Video
Statistical Regression Models and Predicting Values
This video discusses how to determine the best statistical regression model to approximate data within a scatter plot and make predictions through interpolation and extrapolation. It covers the process of inputting data into a graphing...
Brian McLogan
Graph a system of 4 inequalities with horizontal and vertical
In this video playlist you will learn how to solve a system of equations or inequalities by algebraic methods such as substitution and elimination and graphing. We will then finish the unit by exploring how to optimize an objective...
Curated Video
Graphing Lines in Non-Slope Intercept Form
In this video, the teacher explains how to graph a line that is not in slope intercept form. They demonstrate how to isolate the variable and simplify fractions to write the equation in slope intercept form. The teacher also emphasizes...
Why U
Algebra 20 - Slope-Intercept Form
Linear equations of the form y = mx+b can describe any non-vertical line in the Cartesian plane. The constant m determines the line's slope, and the constant b determines the y intercept and thus the line's vertical position.
Khan Academy
Recognizing Linear Functions, Linear Equations and Functions
Starting with a set of values for the x and y variables, this video shows how to tell whether these points determine a linear or non-linear function. Sal first defines linear functions in terms of the change in y over the change in x,...
Curated OER
What is a Quadratic Function?
This is an introductory video on how to identify a quadratic function. This video explains what a quadratic function is and what the graph of a quadratic function looks like. The instructor goes through 4 examples of quadratic functions...
Curated OER
How Do You Solve a System of Equations Using Substitution if One Equation is a Quadratic?
Two equations. Wait! They don't look like the same kind of equations. How do you solve a system of equations when one equation is linear and the other is a quadratic? Watch this video as the instructor illustrates how to use the...
Flipped Math
Systems of Equations
Find the intersections. Individuals watch an informative video to review solving linear equations and use the similar methods to solve a system with one linear and one quadratic equation. Using a graphing calculator, scholars then find...
National Education Association
Write an Equation in Slope-Intercept Form Given Two Points
Plug it in when using points to find the equation of a line. Two sets of points can only mean one thing, the slope formula. Have your learners start by finding the slope and then plugging that slope and one of the points into slope...
Curated OER
What Does the Constant 'k' do in y = |x|+k?
How do you translate absolute value equations vertically? What's a parent equation? What is a constant k in an equation? How does the value of the constant k change the graph of the equation vertically? So many questions. Watch as the...
National Education Association
Interpret The Rate of Change (Slope) and Intercepts Within The Context of Everyday Life
Word problems are full of valuable information that can be used to create equations. Take your learners on an adventure and figure out a formula that will represent the cost of a rental car. The video asks questions to help understand...