Finding the coefficients of a third degree polynomial given 2 roots and the y-intercept
More free lessons at: http://www.khanacademy.org/video?v=hypi8QPsFEk
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https://www.youtube.com/watch?v=hypi8QPsFEk
Note: All Khan Academy content is available for free at (www.khanacademy.org)
Introduction to multiplication
Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/arithmetic/multiplication-division/multiplication_fun/e/multiplication_0.5?utm_source=YT&utm_medium=Desc&utm_campaign=Arithmetic
Watch the next lesson: https://www.khanacademy.org/math/arithmetic/multiplication-division/multiplication_fun/v/multiplication-2-the-multiplication-tables?utm_source=YT&utm_medium=Desc&utm_campaign=Arithmetic
Missed the previous lesson?
https://www.khanacademy.org/math/arithmetic/multiplication-division/multiplication_fun/v/number-line-1?utm_source=YT&utm_medium=Desc&utm_campaign=Arithmetic
Arithmetic on Khan Academy: So you're ready to have some arithmetic fun? You've come to the right spot! It's the first "official" math topic and chalked full of fun exercises and great videos which help you start your journey towards math mastery. We'll cover the big ones: addition, subtraction, multiplication, and division, of course. But we don't stop there. We'll get into negative numbers, absolute value, decimals, and fractions, too. Learning math should be fun, and we plan on having some with you. Ready to get started?
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https://www.youtube.com/watch?v=mvOkMYCygps
Note: All Khan Academy content is available for free at (www.khanacademy.org)
The early twentieth century saw a huge number of Progressive reform movements, which aimed to improve labor, sanitation, conservation, voting rights, and morality. With so many different avenues of reform, how can we define who the Progressives really were? In this video, Kim compares the goals and effects of the Progressive reform movement.
View more lessons or practice this subject at https://www.khanacademy.org/humanities/us-history/ap-us-history/period-7/apush-age-of-empire/v/the-progressives?utm_source=youtube&utm_medium=desc&utm_campaign=apushistory
Khan Academy is a nonprofit organization with the mission of providing a free, world-class education for anyone, anywhere. We offer quizzes, questions, instructional videos, and articles on a range of academic subjects, including math, biology, chemistry, physics, history, economics, finance, grammar, preschool learning, and more. We provide teachers with tools and data so they can help their students develop the skills, habits, and mindsets for success in school and beyond. Khan Academy has been translated into dozens of languages, and 15 million people around the globe learn on Khan Academy every month. As a 501(c)(3) nonprofit organization, we would love your help!
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https://www.youtube.com/watch?v=zGhsN9NmJh8
Note: All Khan Academy content is available for free at (www.khanacademy.org)
Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/arithmetic/addition-subtraction/sub_borrowing/e/subtraction_4?utm_source=YT&utm_medium=Desc&utm_campaign=Arithmetic
Watch the next lesson: https://www.khanacademy.org/math/arithmetic/addition-subtraction/sub_borrowing/v/alternate-mental-subtraction-method?utm_source=YT&utm_medium=Desc&utm_campaign=Arithmetic
Missed the previous lesson?
https://www.khanacademy.org/math/arithmetic/addition-subtraction/sub_borrowing/v/borrowing-once-example-1?utm_source=YT&utm_medium=Desc&utm_campaign=Arithmetic
Arithmetic on Khan Academy: So you're ready to have some arithmetic fun? You've come to the right spot! It's the first "official" math topic and chalked full of fun exercises and great videos which help you start your journey towards math mastery. We'll cover the big ones: addition, subtraction, multiplication, and division, of course. But we don't stop there. We'll get into negative numbers, absolute value, decimals, and fractions, too. Learning math should be fun, and we plan on having some with you. Ready to get started?
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.
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https://www.youtube.com/watch?v=8_fT1BsTmt4
Note: All Khan Academy content is available for free at (www.khanacademy.org)
Calorimetry is often used to evaluate the energy content of different foods. In this video, we'll see how data from a soda can calorimetry experiment can be used to calculate the energy content of a marshmallow in Calories per gram. View more lessons or practice this subject at https://www.khanacademy.org/science/ap-chemistry-beta/x2eef969c74e0d802:thermodynamics/x2eef969c74e0d802:heat-capacity-and-calorimetry/v/worked-example-measuring-the-energy-content-of-foods-using-soda-can-calorimetry
Khan Academy is a nonprofit organization with the mission of providing a free, world-class education for anyone, anywhere. We offer quizzes, questions, instructional videos, and articles on a range of academic subjects, including math, biology, chemistry, physics, history, economics, finance, grammar, preschool learning, and more. We provide teachers with tools and data so they can help their students develop the skills, habits, and mindsets for success in school and beyond. Khan Academy has been translated into dozens of languages, and 15 million people around the globe learn on Khan Academy every month. As a 501(c)(3) nonprofit organization, we would love your help!
Donate or volunteer today! Donate here: https://www.khanacademy.org/donate?utm_source=youtube&utm_medium=desc
Volunteer here: https://www.khanacademy.org/contribute?utm_source=youtube&utm_medium=desc
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https://www.youtube.com/watch?v=1Zx71Il5jaM
Note: All Khan Academy content is available for free at (www.khanacademy.org)
Democracy can be viewed as "rule by the people", but what general forms does it take? Here we describe participatory democracies, pluralist democracies, and elite democracies and think about some of their potential benefits and negatives.
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https://www.youtube.com/watch?v=HbzvIrRdVY4
Note: All Khan Academy content is available for free at (www.khanacademy.org)
Proving AAS and ASA congruence criteria
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https://www.youtube.com/watch?v=5EX7tYQEB_M
Note: All Khan Academy content is available for free at (www.khanacademy.org)
Using our understanding of fluid pressure to figure out the height of a column of mercury. Created by Sal Khan.
Watch the next lesson: https://www.khanacademy.org/science/physics/fluids/buoyant-force-and-archimedes-principle/v/fluids-part-5?utm_source=YT&utm_medium=Desc&utm_campaign=physics
Missed the previous lesson? https://www.khanacademy.org/science/physics/fluids/density-and-pressure/v/fluids-part-3?utm_source=YT&utm_medium=Desc&utm_campaign=physics
Physics on Khan Academy: Physics is the study of the basic principles that govern the physical world around us. We'll start by looking at motion itself. Then, we'll learn about forces, momentum, energy, and other concepts in lots of different physical situations. To get the most out of physics, you'll need a solid understanding of algebra and a basic understanding of trigonometry.
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.
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https://www.youtube.com/watch?v=i6gz9VFyYks
Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now: https://www.khanacademy.org/humanities/grammar/parts-of-speech-the-noun/irregular-plural-nouns-base-plurals-and-irregular-endings/v/irregular-plural-nouns-part-i-the-parts-of-speech-grammar-khan-academy
The plural of "dog" is "dogs", but what is the plural of "leaf"? Khan Academy's resident grammarian explains.
Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/grammar-nouns/e/irregular-plural-nouns--f-to--ves?utm_source=YT&utm_medium=Desc&utm_campaign=grammar
Watch the next lesson: https://www.khanacademy.org/humanities/grammar/partsofspeech/grammar-nouns/v/irregular-plural-nouns-part-ii-the-parts-of-speech-grammar-khan-academy?utm_source=YT&utm_medium=Desc&utm_campaign=grammar
Missed the previous lesson? https://www.khanacademy.org/humanities/grammar/partsofspeech/grammar-nouns/v/common-and-proper-nouns?utm_source=YT&utm_medium=Desc&utm_campaign=grammar
Grammar on Khan Academy: Grammar is the collection of rules and conventions that make languages go. This section is about Standard American English, but there's something here for everyone.
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/watch?v=hhBhHW__Oxg
Note: All Khan Academy content is available for free at (www.khanacademy.org)