Why did lending standards become more and more lax from 2000 to 2006? Created bySal Khan. Watch the next lesson: https://www.khanacademy.org/economics-finance-domain/core-finance/current-economics/housing-price-conundrum/v/housing-price-conundrum-part-4?utm_source=YT&utm_medium=Desc&utm_campaign=financeandcapitalmarkets Missed the previous lesson? Watch here: https://www.khanacademy.org/economics-finance-domain/core-finance/current-economics/housing-price-conundrum/v/housing-price-conundrum-part-2?utm_source=YT&utm_medium=Desc&utm_campaign=financeandcapitalmarkets Finance and capital markets on Khan Academy: Interest is the basis of modern capital markets. Depending on whether you are lending or borrowing, it can be viewed…

Sal introduces the power rule, which tells us how to find the derivative of x_. Created by Sal Khan. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/ap-calculus-ab/ab-derivative-rules/ab-power-rule/e/power-rule-intro?utm_source=YT&utm_medium=Desc&utm_campaign=APCalculusAB Watch the next lesson: https://www.khanacademy.org/math/ap-calculus-ab/ab-derivative-rules/ab-poly-diff/v/derivative-properties-and-polynomial-derivatives?utm_source=YT&utm_medium=Desc&utm_campaign=APCalculusAB Missed the previous lesson? https://www.khanacademy.org/math/ap-calculus-ab/ab-derivative-rules/ab-basic-diff-rules/v/derivative-properties-example?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…

Applying the formal definition of the limit of a sequence to prove that a sequence converges. Created by Sal Khan. Watch the next lesson: https://www.khanacademy.org/math/ap-calculus-bc/bc-series/bc-series-opt-vids/v/deriving-formula-for-sum-of-finite-geometric-series?utm_source=YT&utm_medium=Desc&utm_campaign=APCalculusBC Missed the previous lesson? https://www.khanacademy.org/math/ap-calculus-bc/bc-series/bc-series-opt-vids/v/definition-of-limit-of-a-sequence-and-sequence-convergence?utm_source=YT&utm_medium=Desc&utm_campaign=APCalculusBC AP Calculus BC on Khan Academy: Learn AP Calculus BC – everything from AP Calculus AB plus a few extra goodies, such as Taylor series,…

If the terms of an infinite series don’t approach zero, the series must diverge. Learn more about this test in this video. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/ap-calculus-bc/bc-series/bc-basic-conv-tests/e/nth-term-test?utm_source=YT&utm_medium=Desc&utm_campaign=APCalculusBC Watch the next lesson: https://www.khanacademy.org/math/ap-calculus-bc/bc-series/bc-basic-conv-tests/v/integral-test-intuition?utm_source=YT&utm_medium=Desc&utm_campaign=APCalculusBC Missed the previous lesson? https://www.khanacademy.org/math/ap-calculus-bc/bc-series/bc-inf-geo-series/v/repeating-decimal-geometric-series?utm_source=YT&utm_medium=Desc&utm_campaign=APCalculusBC AP Calculus BC on Khan Academy: Learn AP Calculus BC – everything from AP…

KA’s US history Fellow Kim and Biology Fellow Emily discuss how evolution works and how sociologists in the Gilded Age misunderstood its application to human society. Watch the next lesson: https://www.khanacademy.org/humanities/us-history/the-gilded-age/gilded-age/v/darwinism-vs-social-darwinism-part-2?utm_source=YT&utm_medium=Desc&utm_campaign=UShistory Missed the previous lesson? https://www.khanacademy.org/humanities/us-history/the-gilded-age/gilded-age/v/the-gilded-age-part-2?utm_source=YT&utm_medium=Desc&utm_campaign=UShistory US history on Khan Academy: From a mosquito-ridden backwater to the world’s last remaining superpower, the United States of…

Spectrum of bonds and electronegativity

Types of bonds between metals and non metals

Bond distance and potential energy

Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/geometry/analytic-geometry-topic/geometry-problems-coordinate-pla/e/geometry-problems-on-the-coordinate-plane?utm_source=YT&utm_medium=Desc&utm_campaign=Geometry Watch the next lesson: https://www.khanacademy.org/math/geometry/analytic-geometry-topic/geometry-problems-coordinate-pla/v/classfying-a-quadrilateral-on-the-coordinate-plane?utm_source=YT&utm_medium=Desc&utm_campaign=Geometry Missed the previous lesson? https://www.khanacademy.org/math/geometry/quadrilaterals-and-polygons/quadrilaterals/v/rhombus-diagonals?utm_source=YT&utm_medium=Desc&utm_campaign=Geometry Geometry on Khan Academy: We are surrounded by space. And that space contains lots of things. And these things have shapes. In geometry we are concerned with the nature of these shapes, how we define them,…

Continuously compounding $P in principal at an annual interest rate of r for a year ends up with a final payment of $Pe^r Watch the next lesson: https://www.khanacademy.org/math/algebra2/exponential_and_logarithmic_func/continuous_compounding/v/compound-interest-and-e-part-4?utm_source=YT&utm_medium=Desc&utm_campaign=AlgebraII Missed the previous lesson? https://www.khanacademy.org/math/algebra2/exponential_and_logarithmic_func/continuous_compounding/v/compound-interest-and-e-part-2?utm_source=YT&utm_medium=Desc&utm_campaign=AlgebraII Algebra II on Khan Academy: Your studies in algebra 1 have built a solid foundation from which you can explore linear equations,…

Find the missing number in multiplication and division equations. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-third-grade-math/cc-3rd-mult-div-topic/cc-third-grade-applying-mult-div/e/solving-basic-multiplication-and-division-equations?utm_source=YT&utm_medium=Desc&utm_campaign=3rdgrade Watch the next lesson: https://www.khanacademy.org/math/cc-third-grade-math/cc-3rd-mult-div-topic/cc-3rd-two-step-word-problems/v/how-many-truffle-eating-guests-attended-a-party?utm_source=YT&utm_medium=Desc&utm_campaign=3rdgrade Missed the previous lesson? https://www.khanacademy.org/math/cc-third-grade-math/cc-3rd-mult-div-topic/cc-third-grade-applying-mult-div/v/average-height-of-a-building-s-floor?utm_source=YT&utm_medium=Desc&utm_campaign=3rdgrade Grade 3rd on Khan Academy: We know you’ve been rocking through 2nd grade adding and subtracting all kinds of whole numbers (up to 2 digits, right?). That’s…

Integrating what we know about isosceles triangles and parallel lines Watch the next lesson: https://www.khanacademy.org/math/geometry/similarity/similarity-and-transformations/v/testing-similarity-through-transformations?utm_source=YT&utm_medium=Desc&utm_campaign=Geometry Missed the previous lesson? https://www.khanacademy.org/math/geometry/congruent-triangles/isoscleles_equil/v/another-isosceles-example-problem?utm_source=YT&utm_medium=Desc&utm_campaign=Geometry Geometry on Khan Academy: We are surrounded by space. And that space contains lots of things. And these things have shapes. In geometry we are concerned with the nature of these shapes, how we define…

We use something called the standard method which involves writing the larger of the two numbers on top. Watch. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/arithmetic/multiplication-division/multi_digit_multiplication/e/multiplication_2?utm_source=YT&utm_medium=Desc&utm_campaign=Arithmetic Watch the next lesson: https://www.khanacademy.org/math/arithmetic/multiplication-division/multi_digit_multiplication/v/3-digit-times-1-digit-example?utm_source=YT&utm_medium=Desc&utm_campaign=Arithmetic Missed the previous lesson? https://www.khanacademy.org/math/arithmetic/multiplication-division/multi_digit_multiplication/v/3-digit-times-1-digit-example-no-carrying?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…

We want you to develop an intuition about how to work with decimals. Understanding how you can rewrite decimals by considering the place value will help you multiply! Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/decimals-pre-alg/multiplying-decimals-pre-alg/e/multiplying_decimals_1?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Watch the next lesson: https://www.khanacademy.org/math/pre-algebra/decimals-pre-alg/multiplying-decimals-pre-alg/v/multiplying-decimals?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Missed the previous lesson? https://www.khanacademy.org/math/pre-algebra/decimals-pre-alg/multiplying-decimals-pre-alg/v/mulitplyling-decimals-3?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Pre-Algebra on Khan Academy: No way, this isn’t…

What is the “expanded” form of a number? Take a big number and break it down to its ones, tens, hundreds, and other place values and you have expanded form. Not sure what we mean? No worries. We’ll explain. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/order-of-operations/place_value/e/place_value?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Watch the next lesson: https://www.khanacademy.org/math/pre-algebra/order-of-operations/place_value/v/representing-numbers?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Missed the…

Stoichiometry problem where we find the limiting reagent and calculate grams of product formed. Created by Sal Khan. Watch the next lesson: https://www.khanacademy.org/science/chemistry/chemical-reactions-stoichiome/limiting-reagent-stoichiometry/v/limiting-reactant-example-problem-1?utm_source=YT&utm_medium=Desc&utm_campaign=chemistry Missed the previous lesson? https://www.khanacademy.org/science/chemistry/chemical-reactions-stoichiome/stoichiometry-ideal/v/stoichiometry-example-problem-2?utm_source=YT&utm_medium=Desc&utm_campaign=chemistry Chemistry on Khan Academy: Did you know that everything is made out of chemicals? Chemistry is the study of matter: its composition, properties, and reactivity. This material…

Adding decimals

Created by Sal Khan. Watch the next lesson: https://www.khanacademy.org/humanities/world-history/euro-hist/hitler-nazis/v/hitler-s-beer-hall-putsch?utm_source=YT&utm_medium=Desc&utm_campaign=worldhistory Missed the previous lesson? https://www.khanacademy.org/humanities/world-history/euro-hist/ww1-aftermath/v/arabia-after-world-war-i?utm_source=YT&utm_medium=Desc&utm_campaign=worldhistory World history on Khan Academy: From the earliest civilizations to the modern world, geography, religion, trade, and politics have bound peoples and nations together — and torn them apart. Take a journey through time and space and discover the fascinating history…