Math

8 comments:

  1. Exponential functions take on the form f(x) = ax, a > 0 and a not equal to 1.

    Why we let a > 0? What might happen if we allow a to be negative?

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  2. Imaginary numbers

    When there are no real roots, it does not mean there are no solutions to the equation. Just that the roots are imaginary. Your calculator shows you "i" as well. So what is "i"?

    A brief introduction to imaginary numbers: http://www.mathsisfun.com/numbers/imaginary-numbers.html

    solving equations with imaginary roots: http://www.regentsprep.org/regents/math/algtrig/ate3/quadcomlesson.htm

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  3. This is a good guide to significant figures: http://www.usca.edu/chemistry/genchem/sigfig.htm

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  4. Real life applications of matrices (padlet class activity): http://padlet.com/madeleine_chew/wcub8owojch5

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  5. For your reading pleasure =)

    Digital Music Couldn't Exist Without the Fourier Transform: http://gizmodo.com/digital-music-couldnt-exist-without-the-fourier-transfo-1699155287

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  6. Hyperbola vs Parabola: http://www.differencebetween.net/science/difference-between-parabola-and-hyperbola/

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  7. For your reading pleasure: Trigonometry and JPEG: http://petapixel.com/2015/05/24/how-jpeg-handles-colors-and-compression/

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  8. Video on binomial theorem, connection between binomial theorem and combinatorics: https://www.khanacademy.org/math/algebra2/polynomial_and_rational/binomial_theorem/v/binomial-theorem-and-combinatorics-intuition

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