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The Vietnam war is often referred to as the “first television war.”
Media coverage showed the American public the reality of a foreign war, detached from the government’s optimistic depiction, uncensored on their televisions at home.


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Credit:
Created by Daniel Turner

Narrator:

Chris Kane
www.vocalforge.com


Music Credit
Back Streets of Seoul MK2

Clint Smith teaches you about one of the most famous writers, orators, and advocates of the 19th century, Frederick Douglass. Douglass was born in slavery, escaped to the North, and became one of the most influential people of his time. Douglass wrote about the experience of slavery in a way that captured the attention of people throughout the world, and his work and influence helped directly in the struggle to abolish slavery and achieve emancipation.

Clint's book, How the Word is Passed is available now! https://bookshop.org/a/3859/9780316492935

Watch our videos and review your learning with the Crash Course App!
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Sources and References
-David Blight, Frederick Douglass: Prophet of Freedom (New York: Simon & Schuster, 2018)
-Christopher James Bonner, Remaking The Republic: Black Politics and the Creation of American Citizenship (Philadelphia: University of Pennsylvania Press, 2020)
-Kellie Carter Jackson, Force and Freedom: Black Abolitionists and the Politics of Violence (Philadelphia: University of Pennsylvania Press, 2019).


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Today we’re rounding out our planetary tour with ice giants Uranus and Neptune. Both have small rocky cores, thick mantles of ammonia, water, and methane, and atmospheres that make them look greenish and blue. Uranus has a truly weird rotation and relatively dull weather, while Neptune has clouds and storms whipped by tremendous winds. Both have rings and moons, with Neptune’s Triton probably being a captured iceball that has active geology.

This episode was brought to you by Squarespace http://www.squarespace.com/crashcourse

Check out the Crash Course Astronomy solar system poster here: http://store.dftba.com/product....s/crashcourse-astron

--
Chapters:
Introduction: Uranus 00:00
Uranus's Structure 1:35
Uranus's Atmosphere 2:53
Uranus's Weird Tilt 3:55
Uranus's Moons 5:12
Uranus's Rings 6:00
Neptune's Structure 6:35
Neptune's Atmosphere 7:02
Neptune's Magnetic Field & Rings 8:10
Triton: Neptune's Largest Moon 8:36
The Discovery of Neptune 9:52
Review 11:27
--

PBS Digital Studios: http://youtube.com/pbsdigitalstudios
Follow Phil on Twitter: https://twitter.com/badastronomer

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--

PHOTOS/VIDEOS
Uranus http://en.wikipedia.org/wiki/V....oyager_2#/media/File [credit: NASA/JPL/Voyager mission]
Neptune https://www.nasa.gov/content/2....5-years-ago-voyager- [credit: NASA]
King George III http://en.wikipedia.org/wiki/G....eorge_III_of_the_Uni
Uranus from Earth picture by Phil Plait
Uranus, Earth size comparison http://en.wikipedia.org/wiki/F....ile:Uranus,_Earth_si [credit: NASA]
Uranus core, reconstructed from http://en.wikipedia.org/wiki/F....ile:Uranus-intern-en [credit: Wikimedia Commons]
Uranus http://www.spacetelescope.org/....static/archives/imag [credit: NASA, ESA, L. Sromovsky and P. Fry (University of Wisconsin), H. Hammel (Space Science Institute), and K. Rages (SETI Institute)]
Uranus storms http://www.keckobservatory.org..../images/made/images/ [credit: Imke de Pater (UC–Berkeley)/Keck Observatory]
Uranus and rings (tilt demonstration) http://en.wikipedia.org/wiki/U....ranus#/media/File:Ur [credit: Hubble Space Telescope - NASA Marshall Space Flight Center]
Uranus with rings and moons http://www.eso.org/public/images/eso0237a/ [credit: ESO]
Miranda http://en.wikipedia.org/wiki/M....oons_of_Uranus#/medi [credit: NASA]
Verona Rupes http://apod.nasa.gov/apod/ap110404.html [credit: NASA]
Neptune’s Interior https://solarsystem.nasa.gov/m....ultimedia/display.cf [credit: Lunar and Planetary Institute]
Neptune clouds http://en.wikipedia.org/wiki/F....ile:Neptune_clouds.j [credit: NASA]
Neptune’s Great Dark Spot http://en.wikipedia.org/wiki/N....eptune#/media/File:N [credit: NASA / Jet Propulsion Lab]
Neptune’s Rings http://www.rolfolsenastrophoto....graphy.com/Astrophot [credit: Rolf Wahl Olsen / NASA/JPL (Voyager 2, NASA Planetary Data System)]
Triton http://en.wikipedia.org/wiki/T....riton_(moon)#/media/ [credit: NASA / Jet Propulsion Lab / U.S. Geological Survey]
Triton flipped http://en.wikipedia.org/wiki/F....ile:PIA01538_Triton_ [credit: NASA/JPL]
Triton Nitrogen Geysers http://en.wikipedia.org/wiki/T....riton_(moon)#/media/ NASA]

Pass the GED SCIENCE 2025 with standard GED science test questions.
Complete FREE GED SCIENCE course.

Topics Covered in First Video: Part 1.
Foundations of Science:
a. Scientific method and inquiry
b. Experimental design and data analysis
c. Units, measurements, and conversions
d. Safety in the laboratory

Life Science:
a. Properties of life and characteristics of living organisms
b. Cellular biology: structure, function, and processes
c. Molecular biology: DNA, RNA, and protein synthesis
d. Genetics, heredity, and biotechnology
e. Evolution, natural selection, and biodiversity

Topics Covered in this Video: Part 2
f. Classification and taxonomy of living organisms
g. Ecology: ecosystems, energy flow, and ecological relationships
h. Human anatomy, physiology, and health

Physical Science:
a. Matter: properties, states, and phase changes


Topics Covered in Third Video: Part 3
b. Atomic theory, structure, and the periodic table
c. Chemical bonding, reactions, and stoichiometry
d. Thermodynamics and heat transfer
e. Mechanics: forces, motion, energy, and conservation laws
f. Fluid dynamics and properties of gases
g. Waves: properties, sound, and light
h. Electricity, magnetism, and electromagnetism


Topics Covered in Fourth Video: Part 4
Earth and Space Science:
a. Geology: Earth's structure, composition, and processes
b. Plate tectonics, rock cycle, and minerals
c. Meteorology: weather, climate, and atmospheric processes
d. Hydrology: water cycle, oceans, and freshwater resources
e. Astronomy: celestial bodies, solar system, and the universe
f. Earth in the context of the solar system and the universe

Environmental Science and Sustainability:
a. Human impact on the environment
b. Natural resources and their management
c. Pollution, waste, and mitigation strategies
d. Climate change and its consequences
e. Sustainable development and renewable energy sources


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GED preparations. Get videos, lessons and tests.
https://ultimateged.comPass the GED SCIENCE 2023 with standard GED science test questions.
Complete FREE GED SCIENCE course.

Topics Covered in First Video: Part 1.
Foundations of Science:
a. Scientific method and inquiry
b. Experimental design and data analysis
c. Units, measurements, and conversions
d. Safety in the laboratory

Life Science:
a. Properties of life and characteristics of living organisms
b. Cellular biology: structure, function, and processes
c. Molecular biology: DNA, RNA, and protein synthesis
d. Genetics, heredity, and biotechnology
e. Evolution, natural selection, and biodiversity

Topics Covered in this Video: Part 2
f. Classification and taxonomy of living organisms
g. Ecology: ecosystems, energy flow, and ecological relationships
h. Human anatomy, physiology, and health

Physical Science:
a. Matter: properties, states, and phase changes


Topics Covered in Third Video: Part 3
b. Atomic theory, structure, and the periodic table
c. Chemical bonding, reactions, and stoichiometry
d. Thermodynamics and heat transfer
e. Mechanics: forces, motion, energy, and conservation laws
f. Fluid dynamics and properties of gases
g. Waves: properties, sound, and light
h. Electricity, magnetism, and electromagnetism


Topics Covered in Fourth Video: Part 4
Earth and Space Science:
a. Geology: Earth's structure, composition, and processes
b. Plate tectonics, rock cycle, and minerals
c. Meteorology: weather, climate, and atmospheric processes
d. Hydrology: water cycle, oceans, and freshwater resources
e. Astronomy: celestial bodies, solar system, and the universe
f. Earth in the context of the solar system and the universe

Environmental Science and Sustainability:
a. Human impact on the environment
b. Natural resources and their management
c. Pollution, waste, and mitigation strategies
d. Climate change and its consequences
e. Sustainable development and renewable energy sources


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Get Our Premium Course -- ultimate-algebra.com
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GED preparations. Get videos, lessons and tests.
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In 1789, the French Monarchy's habit of supporting democratic popular revolutions in North America backfired. Today, we're talking about the French Revolution. Across the world, people were rising up to throw off monarchies, and Louis didn't see the writing on the wall until it was too late. Today we'll talk about how the French Revolution unfolded, and what (if anything) was really accomplished. You'll learn about stuff like the National Assembly, the Tennis Court Oath, the Declaration of the Rights of Man and the Citizen, the guillotine, Robespierre, and a bunch of other kind of unbelievable details.

Hatian Revolutions - CC World History: https://youtu.be/5A_o-nU5s2U

Sources
Hunt, Lynn et al. Making of the West: Peoples and Cultures. 6th ed. Boston: Bedford St. Martin’s, 2019.


Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse

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#crashcourse #history #europeanhistory

GeoGebra está en constancia evolución y en 2025 trae varias novedades y lanzamientos, las cuales te muestro en este video:
✅ NUEVA HERRAMIENTA de GeoGebra.
✅ Lanzamiento de recursos educativos oficiales de GeoGebra.
✅ Nueva forma para colaborar con GeoGebra.Inicia el 2025 con la mejor y más actualizada información sobre GeoGebra 💪🏼🤓

🔥🔥🥇Videos RECOMENDADOS🥇🔥🔥🔥
🟢 GeoGebra en 2025 - PARTE 1 https://youtu.be/AJlGcnoFilo
🟢 Aprende a usar GeoGebra https://youtu.be/6FCHSZA-WuE
🟢 Cómo graficar FUNCIONES con GeoGebra https://youtu.be/tZOTM9YkVmw
🟢 NOVEDADES de GeoGebra en 2024 https://youtu.be/akXUXq3-Xmo
🟢 Aprende Álgebra con GeoGebra https://youtu.be/Sgaf_hHmrKk

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Activa las notificaciones también 🛎️🔔😃
¡Gracias TOTALES!
#geogebradesdecero

---
00:00 GeoGebra en 2025
01:27 Índice del video
01:42 NUEVA HERRAMIENTA: Pinboard
04:32 Herramientas ONLINE de GeoGebra
06:42 Próximamente: Pinboard colaborativo
08:01 Recursos oficiales de GeoGebra
11:28 Recursos de GeoGebra en español
14:14 ¿Cómo ser parte de GeoGebra?
15:30 Más novedades de GeoGebra en 2025

2nd Channel: https://www.youtube.com/@simplehistory2
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Copyright: DO NOT translate and re-upload our content on Youtube or other social media.
The successor to the KGB, the FSB is Russia's latest internal security installment, reorganised to continue protecting its civilians and to stomp out any perceived dissent.

Made up mainly of the Border Guard Service, it specialises in military and foreign counterintelligence, counterterrorism, economic state security, and internet monitoring. But how do they operate, why do members call themselves by their early predecessor name the 'chekists', and why are they still significant today?

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Credit:
Created by Daniel Turner (B.A. (Hons) in History, University College London)

Narrator:

Jared Sager



“Beslan school siege: Russia 'failed' in 2004 massacre” April 13, 2017. BBC News.
Bruetsch, Nickolas. "The FSB: Sword and Shield of the Federation." August 30, 2021. TheSecurityDistillery
Corera, Gordon. Russians Among Us: Sleeper Cells, Ghost Stories, and the Hunt for Putin’s Spies. New York, New York, 2020.
Dear, I.C.B. and M.R.D Foot, editors. The Oxford Companion to World War II. Oxford: Oxford University Press, 1995.
Editors of Encyclopedia Britannica. “Okhranka,” Encyclopedia Britannica.
“Federal Security Service” GlobalSecurity.
Leigh, Numbers. Defecting from the FSB. Kindle Edition. July 16, 2021.
Pringle, Robert. “KGB” Britannica.
The Russian Government. “Federal Security Service.”
Sinai, Joshua. “The Terrorist Threats Against Russia and its Counterterrorism Response Measures.” Connections Vol. 14, No. 4 (Fall 2015), pp. 95-102.
Sinelschikova, Yekaterina. 'Dog-headed people': What was Ivan the Terrible's ‘Oprichnina Force. August 4, 2017. RussiaBeyond.

Artful Visualisation with GeoGebra
Build 25+ Hands-On Unique Visual Models

Dates: 22nd to 26th April, 2025

For more detail visit :
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Use the code seyfpw6fxu and claim: 200 GEM, Silver Key x2, 50,000 Food x2, 50.000 Wood x2 (for new users)

The most BRUTAL punishment in history
Life in the Roman army was brutal, even when not actively fighting bloodthirsty Carthaginians or rebellious gladiators.
Military discipline was strict and punishments were often harsh.

Become a Simple History member: https://www.youtube.com/simplehistory/join
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Copyright: DO NOT translate and re-upload our content on Youtube or other social media.

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Credit:
Created by Daniel Turner

Narrator:

Chris Kane
https://vocalforge.com/

Music Credit:

Hero's Theme by Twin Musicom is licensed under a Creative Commons Attribution licence (https://creativecommons.org/licenses/by/4.0/)
Source: http://www.twinmusicom.org/song/280/heros-theme
Artist: http://www.twinmusicom.org

Achilles - Strings by Kevin MacLeod is licensed under a Creative Commons Attribution licence (https://creativecommons.org/licenses/by/4.0/)
Source: http://incompetech.com/music/r....oyalty-free/index.ht
Artist: http://incompetech.com/

Mighty and Meek by Kevin MacLeod is licensed under a Creative Commons Attribution licence (https://creativecommons.org/licenses/by/4.0/)
Source: http://incompetech.com/music/royalty-free/index.html?isrc=USUAN1100500
Artist: http://incompetech.com/

Sources:

Appian. The Civil Wars. I. 18-19. Loeb Classics Edition. 1913

Lendon, J. E. 2005. Soldiers & Ghosts: A History of Battle in Classical Antiquity. New Haven: Yale UP

Phang, S. E. 2008. Roman Military Service: Ideologies of Discipline in the Late Republic and Early Principate. Cambridge: Cambridge University Press, 2008.


Goldberg, C. 2016. Decimation in the Roman Republic. The Classical Journal, 111(2), 141-164.

The Cruelty of Roman Military Punishments: Decimation in Practice. By Karan L. Pickford


G. R. Watson, The Roman Soldier(Ithaca: Cornell University Press, 1969),

Roman Military Service: Ideologies of Discipline in the Late Republic and Early Principate by Sara Elise Phang

The Roman Soldier
By George Ronald Watson



The Spartacus War
By Barry Strauss

Spartacus
By Howard Fast

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In this video I dive deep into the controversial AI strategies of Donald Trump and Elon Musk in 2025. We’ll explore Trump’s massive “Stargate” initiative, Elon’s ambitions with xAI and OpenAI, the surprising partnership behind ChatGPT Gov, and the hidden connections shaping the future of artificial intelligence. From new AI laws and secret projects to military AI plans, find out how these two powerful figures could redefine technology—and what it means for you.

Chapters:
0:00 - Intro
0:29 - Long-lasting admiration
1:40 - Trump’s thoughts on AI
5:16 - Elon’s perspective
6:40 - Are Trump and Musk really aligned?
7:34 - AI and the Department of Defense
8:30 - The “Stargate” Project
9:30 - Musk’s Hidden Tie-Ins
12:21 - AI in Current Administration
13:35 - ChatGPT Gov Explained
14:45 - AI Laws and Bills Passed
15:29 - Upcoming AI Laws and Bills
16:35 - Elon’s Plan to Buy OpenAI
17:33 - Trump’s Ties to OpenAI
18:09 - Trump-Musk Alliance: Myth or Reality?
19:01 - What’s the Game Plan?

Learn about dialog and other reading comprehension lessons in the FREE Khan Academy Kids app! https://go.learn.khanacademy.o....rg/khanacademy/YouTu

Reya and Sandy look at the pictures in the book to understand the mood of the story. They talk about how the pictures make them feel: worried, scared, happy, or peaceful.

Visit us at http://www.khankids.org to learn more about Khan Academy Kids, a free educational app for preschool through 2nd grade available on Apple, Google Play, and Amazon app stores.

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In this video, we'll take a look at the hidden features of ChatGPT, a neural network from OpenAI. You will learn about the best extensions for your browser that noticeably improve the user experience when interacting with this artificial intelligence. As well as how to maximize the effectiveness of Chat GPT responses. Stay tuned so you don't miss anything important!

Learn about dialog and other reading comprehension lessons in the FREE Khan Academy Kids app! https://go.learn.khanacademy.o....rg/khanacademy/YouTu

In this video, Reya and Peck discuss how characters in a story talk to each other through dialog. Quotation marks show readers who is speaking in a story.

Visit us at http://www.khankids.org to learn more about Khan Academy Kids, a free educational app for preschool through 2nd grade available on Apple, Google Play, and Amazon app stores.

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Welcome to Circle Time with Khan Academy Kids! Today, our friends Caroline and Sophie read the book “Sidewalk Chalk” by Cynthia Platt. Read along as Peck dives into imaginary play with his chalk, his camp, and his amazing friends. What could you make with a piece of chalk today? Let your imagination soar!

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En esta nueva clase de español, exploraremos 30 frases que describen acciones.

Estas frases no solo te ayudarán a mejorar tu español, sino que también te brindarán una perspectiva fresca sobre cómo enriquecer tu vida a través del idioma.

Vamos a repetir cada frase dos veces para que puedas practicar y recordar.


¡Así que prepárate para aprender español y hacer que tu vida sea más emocionante!

Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now: https://www.khanacademy.org/co....mputing/computer-sci

Can you tell the difference between actions based upon flipping a coin and those based upon blind guessing or simulating randomness? This short video examines the frequency stability property.

Watch the next lesson: https://www.khanacademy.org/computing/computer-science/cryptography/crypt/v/case-study-ww2-encryption-machines?utm_source=YT&utm_medium=Desc&utm_campaign=computerscience

Missed the previous lesson? https://www.khanacademy.org/computing/computer-science/cryptography/crypt/v/one-time-pad?utm_source=YT&utm_medium=Desc&utm_campaign=computerscience

Computer Science on Khan Academy: Learn select topics from computer science - algorithms (how we solve common problems in computer science and measure the efficiency of our solutions), cryptography (how we protect secret information), and information theory (how we encode and compress information).

About Khan Academy: Khan Academy is a nonprofit with a mission to provide a free, world-class education for anyone, anywhere. We believe learners of all ages should have unlimited access to free educational content they can master at their own pace. We use intelligent software, deep data analytics and intuitive user interfaces to help students and teachers around the world. Our resources cover preschool through early college education, including math, biology, chemistry, physics, economics, finance, history, grammar and more. We offer free personalized SAT test prep in partnership with the test developer, the College Board. Khan Academy has been translated into dozens of languages, and 100 million people use our platform worldwide every year. For more information, visit www.khanacademy.org, join us on Facebook or follow us on Twitter at @khanacademy. And remember, you can learn anything.

For free. For everyone. Forever. #YouCanLearnAnything

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Are you looking for a quick explanation of Multiplying Exponents with the Same Base, Multiplying Exponents with numbers, and Multiplying Exponents with variables? Lesson Guide: https://bit.ly/2QqT008

This Multiplying Exponents video lesson from our Exponents Rules Series includes a free lesson guide and Multiplying Exponents Practice worksheet with an answer key. Click the links below to get yours:

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Some relationships cannot be represented by an explicit function. For example, x_+y_=1. Implicit differentiation helps us find _dy/dx even for relationships like that. This is done using the chain _rule, and viewing y as an implicit function of x. For example, according to the chain rule, the derivative of y_ would be 2y_(dy/dx). Created by Sal Khan.

Watch the next lesson: https://www.khanacademy.org/math/ap-calculus-ab/ab-derivatives-advanced/ab-implicit-diff/v/implicit-derivative-of-x-y-2-x-y-1?utm_source=YT&utm_medium=Desc&utm_campaign=APCalculusAB

Missed the previous lesson? https://www.khanacademy.org/math/ap-calculus-ab/ab-derivatives-advanced/ab-second-derivatives/v/second-derivatives?utm_source=YT&utm_medium=Desc&utm_campaign=APCalculusAB

AP Calculus AB on Khan Academy: Bill Scott uses Khan Academy to teach AP Calculus at Phillips Academy in Andover, Massachusetts, and heÕs part of the teaching team that helped develop Khan AcademyÕs AP lessons. Phillips Academy was one of the first schools to teach AP nearly 60 years ago.

About Khan Academy: Khan Academy is a nonprofit with a mission to provide a free, world-class education for anyone, anywhere. We believe learners of all ages should have unlimited access to free educational content they can master at their own pace. We use intelligent software, deep data analytics and intuitive user interfaces to help students and teachers around the world. Our resources cover preschool through early college education, including math, biology, chemistry, physics, economics, finance, history, grammar and more. We offer free personalized SAT test prep in partnership with the test developer, the College Board. Khan Academy has been translated into dozens of languages, and 100 million people use our platform worldwide every year. For more information, visit www.khanacademy.org, join us on Facebook or follow us on Twitter at @khanacademy. And remember, you can learn anything.

For free. For everyone. Forever. #YouCanLearnAnything

Subscribe to Khan AcademyÕs AP Calculus AB channel: https://www.youtube.com/channe....l/UCyoj0ZF4uw8VTFbml
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The sum of 4 consecutive odd integers is 136. What are the 4 integers?

Practice this lesson yourself on KhanAcademy.org right now:
https://www.khanacademy.org/math/algebra/solving-linear-equations-and-inequalities/More-equation-practice/e/integer_sums?utm_source=YT&utm_medium=Desc&utm_campaign=AlgebraI

Watch the next lesson: https://www.khanacademy.org/math/algebra/solving-linear-equations-and-inequalities/More-equation-practice/v/sum-of-consecutive-odd-integers?utm_source=YT&utm_medium=Desc&utm_campaign=AlgebraI

Missed the previous lesson?
https://www.khanacademy.org/math/algebra/solving-linear-equations-and-inequalities/More-equation-practice/v/finding-the-100th-term-in-a-sequence?utm_source=YT&utm_medium=Desc&utm_campaign=AlgebraI

Algebra I on Khan Academy: Algebra is the language through which we describe patterns. Think of it as a shorthand, of sorts. As opposed to having to do something over and over again, algebra gives you a simple way to express that repetitive process. It's also seen as a "gatekeeper" subject. Once you achieve an understanding of algebra, the higher-level math subjects become accessible to you. Without it, it's impossible to move forward. It's used by people with lots of different jobs, like carpentry, engineering, and fashion design. In these tutorials, we'll cover a lot of ground. Some of the topics include linear equations, linear inequalities, linear functions, systems of equations, factoring expressions, quadratic expressions, exponents, functions, and ratios.

About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computer programming, history, art history, economics, and more. Our math missions guide learners from kindergarten to calculus using state-of-the-art, adaptive technology that identifies strengths and learning gaps. We've also partnered with institutions like NASA, The Museum of Modern Art, The California Academy of Sciences, and MIT to offer specialized content.

For free. For everyone. Forever. #YouCanLearnAnything

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https://www.youtube.com/channe....l/UCYZrCV8PNENpJt36V
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