Some plants can drink water from the air - and that has some weird effects on the forests where they live.

There's an organization responsible for more terrorism plots in the United States than al-Qaeda, al-Shabaab and ISIS combined: The FBI. How? Why? In an eye-opening talk, investigative journalist Trevor Aaronson reveals a disturbing FBI...

Less than half of the rain that falls from a cloud makes it all the way to the ground – because a lot evaporates while falling or after landing in treetops.



Thanks to Georgia Southern University...

Today we're going to introduce one of the most flexible statistical tools - the General Linear Model (or GLM). GLMs allow us to create many different models to help describe the world - you see them a lot in science, economics, and...

New ReviewIn this math video lesson, we will be finding the x- and y-intercepts of a linear equation written in standard form. The lesson begins by clearly defining each intercept: the x-intercept is the point where the y-value is zero, and the...

New ReviewIn this math video lesson, students learn how to write a system of linear inequalities from a given graph by analyzing key features of each boundary line and the shaded solution region. The modeled example begins by identifying the...

New ReviewIn this short math video, students learn how to graph a system of linear inequalities step by step using clear visuals and explanations. We begin with a quick review of how to graph a line in slope-intercept form. For the first...

New ReviewIn this video we are going to focus on mistakes that students make when they need to solve a system of equation by graphing the system.

New ReviewIn this video we are going work on graphing a rational expression with 4 vertical asymptotes.

New ReviewLet's go and explore one of the fastest ways to graph a linear equation. Often we assume slope intercept is the easiest and fastest method, but that is not always the case.

New ReviewIn this video, I compare graphing an "easy" logarithmic function with a "harder" one, detailing the steps for both. We focus on how to graph logarithms, including their transformations and asymptotes, which is crucial for understanding...

New ReviewIn this video I am going to work through a classic mistake I see students make when graphing rational equations.

New ReviewThis video explains three common methods for graphing quadratic equations (0:00). It covers using the axis of symmetry and vertex formula for standard form quadratics (0:23), the vertex form for quicker graphing (4:46), and intercept...

New ReviewIn this video a student asked me to graph a line in standard form. I will show you two different ways to graph.

In this shorts video we will learn how to write the equation of a line. We will begin by discovering that all the given answer choices are in slope-intercept form; y=mx+b. We will then review the information about the line that is...

In this shorts video we will be writing a real world linear system. We will recognize that each equation in the given systems is written in slope-intercept form. We will understand that m represents the slope which is the unit rate in...

In this shorts math video we will answer the standardized math test question, "Which is the Line of Best Fit?" We will understand that each of the answer choices is written in slope-intercept form, y=mx+b, where m is the slope of the...

In this short math video we will identify a linear equation in the real world. We will be given real world information about a plane beginning its descent. We will model this linear function on a graph and with an equation written in...

In this short math video we will be comparing linear, exponential & quadratic functions. We will be asked to correctly complete two statements about the three graphed functions on a coordinate plane. We will first be asked which of the...

Identify the equation of a line graphed on a coordinate plane.

Reasoning with Equations and Inequalities
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HS.A-REI.D.11 Explain why the x-coordinates of the points where the graphs of the equations y = f(x) and y =...

This is a solution to the practice exercise on linear regression analysis.

A video entitled "Determine Intersect by Points" that covers determining whether a pair of lines, given as pairs of points, are intersecting, parallel, or coincide.

A video entitled "Compare and Contrast Functions" that covers which features of linear functions can be compared to draw conclusions in real-world contexts.