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Conic Sections: Parabolas, Part 1. In this video, I discuss a quick way to roughly sketch a parabola. Nothing about directrix and focus in this video (look in part 2!). I simply find the vertex, x and y intercepts and do a quick graph.

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For a complete lesson on parabola equations and graphing parabolas, go to www.yourteacher.com - 1000+ online math lessons featuring a personal math teacher inside every lesson! In this lesson, students learn to graph quadratic equations that are written in y -- k = a(x -- h)2 form by using the coordinates (h, k) to graph the vertex, and using the x and y-intercepts to graph the parabola. Students are reminded that to find the y-intercept, they must substitute a 0 in for x, and to find the x-intercept(s), they must substitute a zero in for y. Students are also asked to find the axis of symmetry using the formula x = h.

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Radio Lab presents: Parabolas (etc.) A video inspired by the mathematician, Steve Strogatz. At the age of thirteen, Steve was astonished to find that pendulums and water fountains had a strange relationship that had previously been completely hidden from him. www.radiolab.org Radio Lab is produced by WNYC Radio and distributed by NPR. Directed by Will Hoffman (http with Director of Photography Derek Paul Boyle (www.dpboyle.com).

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More at www.mathtv.com Any three points that do not lie in a straight line will determine a parabola.

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Join the fun as YAYMATH begins our exploration of the parabola. We discuss the axis of symmetry, the focus, the vertex, and doing math on Oprah one day. Hope you can YAYMATH it up! Visit yaymath.org Videos copyright (c) Yay Math

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Here's a short introduction to parabolas. Enjoy!

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This video defines a parabola and explains how to graph a parabola in standard form. mathispower4u.wordpress.com

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A mathematics video about parabola's in the real world.

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This video demonstrates how to graph parabolas and find their vertexes in College Algebra. Find math problems and the video solutions at www.videomathteacher.com

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Free standing mechanical kinetic sculpture featuring wooden gears and matt black wooden framework. It likes to play "catch" with itself because it has no friends:( The second of my ping pong ball sculptures. Driven by electric motor. Music - John Mayer, Gravity. Honors for this video (13) Aug/Sep, 2010. #59 - Most Discussed (Today)) - Australia #3 - Most Discussed (Today)) - Science & Technology - Australia #3 - Most Discussed (This Week)) - Science & Technology - Australia #28 - Most Discussed (This Month)) - Science & Technology - Australia #49 - Most Viewed (Today)) - Science & Technology - Australia #22 - Top Favorited (Today)) - Science & Technology - Australia #28 - Top Favorited (This Week)) - Science & Technology - Australia #60 - Top Rated (Today)) - Australia #2 - Top Rated (Today)) - Science & Technology - Australia #5 - Top Rated (This Week)) - Science & Technology - Australia #19 - Top Rated (This Month)) - Science & Technology - Australia #17 - Most Discussed (This Month)) - Science & Technology - Australia #65 - Top Favorited (This Month)) - Science & Technology - Australia Want to stay up to date with my latest creations? Subscribe me here or feel free to add me on Facebook - www.facebook.com

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A video to show my students where parabolic shapes are seen in the world around us.

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A quick review of elementary parabola concepts

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This lesson includes the basics of graphing the parabola. If you want to make it confusing, you can call it "Quadratic Functions". Whatev floats your boat. Enjoy the music in this one, YAY MATH! Visit yaymath.org Videos copyright (c) Yay Math

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Free Math Help at Brightstorm! www.brightstorm.com How to define the focus and directrix of a parabola.

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This is a video about how to graph a very basic parabola. Youtube videos by Julie Harland are organized at yourmathgal.com

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Finding the focus and directrix of a parabola

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This video demonstrates most important properties of parabola, helps to find its vertex, roots and intersects.

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Conic Sections: Parabolas, Part 2 (Directrix and Focus). In this video, I discuss how to go about finding the directrix and the focus for a parabola and do a couple of examples.

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Learn how to find the axis of symmetry of a parabola.

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Easy way to graph ANY parabola, given its equation!

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Conic Sections: Parabolas, Part 3 ( Focus and Directrix). Just another example of finding the focus and directrix for a parabola (a slightly more involved example).

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Multiple Examples in this one, That's what makes it a 9 minute movie.

Finding Vertex of Parabolas

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トラフ式ソーラー温水器トラフのサイズによって、熱量の違いを実験することができます。 Parabolic Troughs are one way to capture solar energy for heating. Some commercial systems heat water, salt or oil and convert the energy to turn a turbine that generates electricity. Automated troughs are often used to track the Sun's rays throughout the day. In this experiment you will learn how different size collectors will change the amount of energy captured. Although strictly speaking, a half circle is not a parabola, sunlight from the reflective surface will substantially heat the tube in the center. What you need: 2m 12mm copper tubing 1m 140mm PVC pipe 3m 9cm x 2cm wood 2 thermometers 80C 3m plastic tube to fit the copper pipe 4 bulldog clips saw and drill 16 4.5cm screws sand paper flat black paint 2m reflective adhesive foil What you need to do: 1. Sandpaper the copper tubing and paint black 2. Cut 10cm off the end of the PVC pipe using a hand saw 3. Cut a line down the length of the PVC pipe using a handsaw. To stop the saw from getting stuck, use a bolt as a wedge to keep the gap open 4. Make another cut on the opposite side of the pipe to make a trough half of the diameter of the pipe 5. Using one half of the pipe, cut a piece to make the trough one third of the diameter of the pipe. Repeat the following instructions for each trough. 6. Cut the reflective adhesive foil into pieces and cover the inside of the trough 7. Place the trough on the piece of wood and trace the inside <b>...</b>

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Conic Sections: Parabolas, Part 4 (Focus and Directrix). In this video, I find the equation for a parabola given the vertex and given the focus and/or directrix.

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More: geogebrawiki.wikispaces.com A focus, directrix and locus? See what they are and how they make a parabola. Really cool construction.

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If you're given the x-intercepts of a parabola, and a point on the curve (maybe the vertex or y-intercept) ... you can create the equation for the parabola. This video will show you how.

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Chao explains how to sketch a Parabola. UAI/ATAR - 100 1st in Latin Continuers, NSW HSC 2007 1st in Latin Extension, NSW HSC 2007

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A brief discussion of parabolas and the notions of focus and directrix.

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The second part to the lecture.

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Graphing Parabolas Part 1; Youtube videos by Julie Harland are organized at yourmathgal.com

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História completa da série "Desenhos Bíblicos - O novo testamento". Nessa animação você irá conferir algumas das Parabolas de Jesus. Você pode baixar essa história completa aqui: tarlanbrunet.blogspot.com

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Grade 10 Math culminating assignment. This involves Parabolas and how they work. [Ido not own any of the songs in this video] 1) Athletic - Mario 2) Some Chords - DeadMau5

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This was my project for my Algebra-Honors class. Our assignment was to create a situation where graphing a parabola was helpful in everyday life. Only, most people aren't Italian plumbers who stomp on goombas... Anyway, I present it to the class on 4/15/11, so I'll update on my class's feedback. Keep in mind I don't go to nerd school; I'm a bit nervous of the class's reaction... - My class thought it was the weirdest thing, like ever, and my teacher thought it was so extremely cute, she had to show it to the other math class as well. Whoop. :D Thanks for the support guys! ) CREATED BY THEXCLOAKEDXSCHEMERX (I actually categorized it as Education. smh. :D )

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We embark on a more detailed study of a few types of equations, then examine how to algebraically represent what happens when we move graphs in the plane. Split into 2 sections due to time constraints.

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Completing the square with a coefficient.

Converting Standard Form to Vertex completing the Square

A tune that demonstrates the basic concepts and applications of parabolas. Listen out for my (very poor) Wii "air" drumming from Wii Music!

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Este vídeo es una rápida incursión por la función cuadrática, su vértice, sus raíces y su expresión canónica. Desde la más simple de las parábolas, explicando por que es una función par, su dominio, su imagen y los corrimientos de la función cuadrática. La explicación escrita sobre este la puedes hallar en: www.soko.com.ar

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A project made for Goetsch's math class. Parabolas are everywhere folks. Rainbows, basketballs, golf, bikes, everywhere...

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Check out all my Algebra 2 Videos and Notes at: wowmath.org

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