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Brian McLogan
How to write the equation of an ellipse given the center, focus and co vertex
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...
Brian McLogan
How to write the equation of an ellipse given the center vertex and focus
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...
Brian McLogan
How to sketch the graph of a parabola in standard form
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...
Brian McLogan
Graph a parabola using conic sections with a horizontal axis of symmetry
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...
Brian McLogan
Given the vertex and directrix, learn to write the standard form of a parabola
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)....
Brian McLogan
Find the equation of an ellipse give foci and end points of major axis
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...
Brian McLogan
Converting to standard form to find the foci, vertices and center of an ellipse
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...
AllTime 10s
10 Everyday Things You're Doing Totally Wrong
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).
NASA
On a Mission: Season 3, Episode 10: A Voyager’s View of Earth
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...
Brian McLogan
Graph the equation of an parabola with a horizontal axis of symmetry
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...
Brian McLogan
Conic section Understanding the parts of a vertical ellipse
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...
Brian McLogan
How to Write a Vector in the Same Direction and Magnitude
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.
Let's Tute
Circle Theorems: 12 Theorems Based on Circles
Circle Theorems part 2/3: The teacher in the video explains and proves 9 out of 12 theorems related to circles, using basic concepts and properties of triangles. The theorems include equal chords of a circle, angles subtended by an arc...
Brian McLogan
Adding real numbers a positive to a negative, 5 + (-7)
👉 You will learn how to add and subtract integers. We will work through adding and subtracting two integers up to multiple integers. We can look at adding and subtracting integers by looking at there values on a number line where there...
Science ABC
What Is The Range Of Bluetooth And How Can It Be Extended?
The range of Bluetooth is dependent on its class and primarily there are three classes of Bluetooth:
Class 1 transmitting at 100 mW with a range of 100 meters or
328 feet.
Class 2 transmitting at 2.5 mW with a range of...
Class 1 transmitting at 100 mW with a range of 100 meters or
328 feet.
Class 2 transmitting at 2.5 mW with a range of...
Virtually Passed
Complicated dynamics problem using energy methods
Here we solve for the velocity of a disk as it's rolling up a circular hill using energy methods 1) Find work done by external forces (it's 0). 2) Notice there is rotation so the kinetic energy is 0.5 m (v2^2 - v1^2) + 0.5 I (w2^2 -...
Brian McLogan
How to find the directrix, focus and vertex of a parabola
Learn how to graph a vertical parabola. A parabola is the shape of the graph of a quadratic equation. A parabola is said to be vertical if it opens up or opens down. A vertical parabola results from a quadratic equation in which the x...
Brian McLogan
Writing the equation of an ellipse given foci and vertex
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...
Brian McLogan
Write the equation of an ellipse given the length of the major and minor axis
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...
Brian McLogan
Write the equation of an ellipse given the center vertex and focus
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...
National Parks Service
Glacier National Park - Backcountry Summer Camping
Backcountry camping in Glacier is an incredible experience. Campsites may be reserved starting in March and continuing up to seven days prior to your desired trip start date (subject to advance reservation availability). Watching this...
Brian McLogan
Determine points on a unit circle using special triangles
👉 Learn about the points on the unit circle. A unit circle is a circle which radius is 1 and is centered at the origin in the cartesian coordinate system. To construct the unit circle we take note of the points where the unit circle...
Brian McLogan
Find the length of a arc given the radius of a circle
Learn how to solve problems with arcs of a circle. An arc is a curve made by two points on the circumference of a circle. The measure of an arc corresponds to the central angle made by the two radii from the center of the circle to the...