John Moser
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John Moser hat einen Post erstellt
Algebra 2 add quadratic function roots method
Add a video to the Algebra 2 course for finding the roots of a quadratic function. f(x)=6x^2-7x+3 f(x)=6(x^2-7/6x+3/6) f(x)=6(x^2-7/6x+1/2) p=-7/6 q=1/2 (-p/2+u)(-p/2-u)=q (7/12+u)(7/12-u)=1/2 (7...
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John Moser hat einen Kommentar hinterlassen
There's no such thing as neutrality; you also assert that these things aren't school subjects. Part of the purpose of school--the larger purpose, in fact--is to socialize students. You could have ...
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John Moser hat einen Kommentar hinterlassen
Henry, doesn't that imply that Khan Academy should be neutral to racism, sexism, and slavery? Are you suggesting that rape is okay as long as a religion believes it's good, and we should avoid taki...
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John Moser hat einen Kommentar hinterlassen
Differential calculus, then Integral calculus. Khan Academy has like 5 different Calc 1 courses, so it's confusing. Calculus AB/BC will not prepare you for…anything. Well, except Calc 1 in colleg...
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John Moser hat einen Kommentar hinterlassen
It's a computer division algorithm that's fairly fast, problem being charging up the look-up table is slow, and you need to complete the q-digit lookup before you can start adding, multiplying, and...
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John Moser hat einen Kommentar hinterlassen
Wait until you see Sweeny-Robertson-Tocher division. I actually figured out how to do it without a look-up table—a 60-year-old problem everyone's been trying to solve, took me 2 hours, they were th...
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John Moser hat einen Post erstellt
Mastery never seems to go down
I keep studying topics on college algebra and testing well the day I study them, then completely failing out 2 days later. If I get the questions right ONCE, my course level mastery level bumps up...
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John Moser hat einen Post erstellt
Horner's Method for polynomials
In the algebra courses, can you add a video covering Horner's method? It's easy to convert from standard form. f(x)=3x^4+16x^3+7x^2+12x+15 This can be rewritten by adding some parenthesis and remo...
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John Moser hat einen Kommentar hinterlassen
Can you put the name of the course in the subject line so people can see what it is without opening the post?
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John Moser hat einen Post erstellt
Discrete math - Links to all requests over the years
Discrete mathematics has been requested a great many times, but no such course has been created as of yet. Discrete mathematics is generally the third computer science course in a university progr...
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