In this example of evaluating expressions, we’re dusting off some geometry. On top of that, it’s a word problem. We’re seeing how different concepts in math are layered on top of each to create more interesting and complex problems to solve.

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.

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In this video, I explore some of the best conclusions that arise from Newton’s theory of gravity, and ultimately I head into why it was that a more developed theory was needed to explain these limits, ie Relativity. Hope you Enjoy! Link to my video on Special Relativity – https://www.youtube.com/watch?v=GkrOlOz15Gs&t=1s

Dear Students, This video tells about that Ex:3.5-1 This video will be very useful for you This channel helps you to get 100 marks in maths. Previous video Link, https://youtu.be/vt8GVUfJ57w

Example of calculating the inverse of a matrix Watch the next lesson: https://www.khanacademy.org/math/linear-algebra/matrix_transformations/inverse_of_matrices/v/linear-algebra-formula-for-2×2-inverse?utm_source=YT&utm_medium=Desc&utm_campaign=LinearAlgebra Missed the previous lesson? https://www.khanacademy.org/math/linear-algebra/matrix_transformations/inverse_of_matrices/v/linear-algebra-deriving-a-method-for-determining-inverses?utm_source=YT&utm_medium=Desc&utm_campaign=LinearAlgebra Linear Algebra on Khan Academy: Have you ever wondered what the difference is between speed and velocity? Ever try to visualize in four dimensions or six or seven? Linear algebra describes things in two dimensions, but many…