Instructional Video4:45
Brian McLogan

What is the relationship and formula between a b and c of an ellipse

12th - Higher Ed
Learn all about ellipses for conic sections. We will discuss all the essential definitions such as center, foci, vertices, co-vertices, major axis and minor axis. We will also discuss the essential processes such as how to graph and...
Instructional Video6:26
Brian McLogan

How to write the equation of an ellipse given the vertices and foci

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 Video2:40
Brian McLogan

How do you write the equation for a parabola for conic sections

12th - Higher Ed
Learn all about parabolas in conic sections. We will discover the basic definitions such as the vertex, focus, directrix, and axis of symmetry. We will also take a look a basic processes such as graphing, writing the equation and...
Instructional Video4:22
Brian McLogan

Graph a horizontal parabola when the distance to the focus is a fraction

12th - Higher Ed
Learn how to graph a horizontal parabola. A parabola is the shape of the graph of a quadratic equation. A parabola is said to be horizontal if it opens to the left or opens to the right. A horizontal parabola results from a quadratic...
Instructional Video5:15
Brian McLogan

Finding the component form and magnitude of a vector

12th - Higher Ed
Learn how to write a vector in component form given two points and also how to determine the magnitude of a vector given in component form. Given two point vectors with one representing the initial point and the other representing the...
Instructional Video8:20
AllTime 10s

10 Mind-Bending Paradoxes

12th - Higher Ed
Get ready to have your mind BLOWN! These paradoxes may well keep you up at night!
Instructional Video4:36
Healthcare Triage

The Shifting Messaging on Masks

Higher Ed
The messaging on masks and coronavirus has been mixed, and has shifted throughout the pandemic. We now have better data, and it is clear that wearing a masks can help prevent the spread. We should be wearing masks when we go out in...
Instructional Video10:11
Catalyst University

Analyze Your SDS-PAGE Data IN 5 MINUTES!

Higher Ed
Analyze Your SDS-PAGE Data IN 5 MINUTES!
Instructional Video5:51
Brian McLogan

Write the equation of an ellipse given the foci and vertices

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 Video3:21
Brian McLogan

Learn to write the equation of the ellipse given the center and vertex and co vertex

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 Video8:03
Brian McLogan

Identify the center, vertices, co vertices and foci of an ellipse

12th - Higher Ed
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...
Instructional Video4:59
Brian McLogan

How to write the equation of an ellipse when given the foci and co vertex

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 Video4:02
Brian McLogan

How to write the equation of an ellipse given the center, focus and co vertex

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 Video4:48
Brian McLogan

How to write the equation of an ellipse given the center vertex and focus

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 Video8:10
Brian McLogan

How to sketch the graph of a parabola in standard form

12th - Higher Ed
Learn how to graph a parabola in standard form when the vertex is not at the origin. We will learn how to graph parabola's with horizontal and vertical openings. In addition to graphing you will also learn how to identify the important...
Instructional Video3:48
Brian McLogan

Graph a parabola using conic sections with a horizontal axis of symmetry

12th - Higher Ed
Learn how to graph a horizontal parabola. A parabola is the shape of the graph of a quadratic equation. A parabola is said to be horizontal if it opens to the left or opens to the right. A horizontal parabola results from a quadratic...
Instructional Video5:41
Brian McLogan

Given the vertex and directrix, learn to write the standard form of a parabola

12th - Higher Ed
Learn how to write the equation of a parabola given the vertex and the directrix. A parabola is the shape of the graph of a quadratic equation. A parabola can open up or down (if x is squared) or open left or right (if y is squared)....
Instructional Video7:14
Brian McLogan

Find the equation of an ellipse give foci and end points of major axis

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 Video11:12
Brian McLogan

Converting to standard form to find the foci, vertices and center of an ellipse

12th - Higher Ed
Learn how to graph vertical ellipse which equation is in general form. A vertical ellipse is an ellipse which major axis is vertical. When the equation of an ellipse is written in the general form, we first rewrite it in standard form...
Instructional Video11:27
AllTime 10s

10 Everyday Things You're Doing Totally Wrong

12th - Higher Ed
You probably think you've got things pretty sorted. But every day you screw up the simplest of tasks. (Don't worry, we all do).
Podcast41:31
NASA

‎On a Mission: Season 3, Episode 10: A Voyager’s View of Earth

Pre-K - Higher Ed
The Voyager 1 spacecraft has traveled farther away from Earth than any human-made object. Candy Hansen and David Grinspoon talk about the Voyager mission, and its humbling perspective of our planet as a tiny blue dot in the blackness of...
Instructional Video3:15
Brian McLogan

Graph the equation of an parabola with a horizontal axis of symmetry

12th - Higher Ed
Learn how to graph a horizontal parabola. A parabola is the shape of the graph of a quadratic equation. A parabola is said to be horizontal if it opens to the left or opens to the right. A horizontal parabola results from a quadratic...
Instructional Video6:38
Brian McLogan

Conic section Understanding the parts of a vertical ellipse

12th - Higher Ed
Learn all about ellipses for conic sections. We will discuss all the essential definitions such as center, foci, vertices, co-vertices, major axis and minor axis. We will also discuss the essential processes such as how to graph and...
Instructional Video3:05
Brian McLogan

How to Write a Vector in the Same Direction and Magnitude

12th - Higher Ed
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.