Y equals graphs are horizontal, but x equals graphs are vertical. Learners explore the connection between the graph and the equation of vertical lines while watching an instructional video. The presenter shows a set of ordered pairs...

Graphing horizontal and vertical lines often cause problems for learners. Provide a lesson with video instruction for them to watch and rewatch as they learn the concept. The instructor shows multiple examples of graphing linear...

Rise and run to find slope. Given a graph of a line, the presentation shows how to find the slope by determining the rise and the run. The resource, part of an extensive geometry playlist, reveals the four basic slopes of lines.

Use slope to find the location of horizontal and vertical tangent lines. Using the derivative of a radical function, the presenter finds the points where the derivative is zero or undefined on a given interval. The 26th in a series of 31...

Build a strong understanding of graphing and writing equations of horizontal and vertical lines. Pupils watch as the lesson instructor explains how to graph horizontal and vertical lines from an equation. She then gives individuals an...

Tracing paper is not just for art anymore — pupils can use it to find reflected images, too! Two videos show how to reflect images using tracing paper and find the reflection between the pre-image and image. Learners perform reflections...

Explain how to find the slope of a graph of a line with a video that points out how no matter what two points are used on a graph of a line, the slope is the same. A few examples reiterate how to find the slope of vertical...

Get jamming with lines and sing along to this karaoke that reviews the main types of lines. Your learners can't forget the main properties of lines when they sing the chorus on the karaoke song after the included slide show. The slides...

The graph of a line with an undefined slope is a vertical line. Why is it undefined? It has something to do with the value of the x-coordinate. The x-coordinate determines the run of the slope. So what if the run is zero? The instructor...

Draw a graph, label the units, plot the given point, then draw a straight line up and down through the given point. That is now the graph of a vertical line through a given point.

To find the equation of a vertical line you need to use x=b to determine the equation. This tutorial explains the use of formula x=b to find a value for an unknown y. The explanation of this concept is rushed making this tutorial only...

What does the graph of a vertical line look like? Well, it is a line that is straight up and down. What does the equation of a vertical line look like? So what kind of slope does a vertical line represent? Does the equation of a vertical...