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  2. Completing the square - Wikipedia

    en.wikipedia.org/wiki/Completing_the_square

    In elementary algebra, completing the square is a technique for converting a quadratic polynomial of the form ⁠ + + ⁠ to the form ⁠ + ⁠ for some values of ⁠ ⁠ and ⁠ ⁠. [1] In terms of a new quantity ⁠ x − h {\displaystyle x-h} ⁠ , this expression is a quadratic polynomial with no linear term.

  3. Quadratic formula - Wikipedia

    en.wikipedia.org/wiki/Quadratic_formula

    This method for completing the square is ancient and was known to the 8th–9th century Indian mathematician Śrīdhara. [12] Compared with the modern standard method for completing the square, this alternate method avoids fractions until the last step and hence does not require a rearrangement after step 3 to obtain a common denominator in the ...

  4. Quadratic equation - Wikipedia

    en.wikipedia.org/wiki/Quadratic_equation

    The steps given by Babylonian scribes for solving the above rectangle problem, in terms of x and y, were as follows: Compute half of p. Square the result. Subtract q. Find the (positive) square root using a table of squares. Add together the results of steps (1) and (4) to give x.

  5. Talk:Completing the square - Wikipedia

    en.wikipedia.org/wiki/Talk:Completing_the_square

    Indeed this goes against the idea of completing the square as stated in the article, the main idea of which is to take a square component plus a rectangular component and make a larger square by breaking up the rectangle. You then have a little bit which needs to be filled in (the "completing the square").

  6. Straightedge and compass construction - Wikipedia

    en.wikipedia.org/wiki/Straightedge_and_compass...

    The set of ratios constructible using straightedge and compass from such a set of ratios is precisely the smallest field containing the original ratios and closed under taking complex conjugates and square roots. For example, the real part, imaginary part and modulus of a point or ratio z (taking one of the two viewpoints above) are ...

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  8. Squaring the circle - Wikipedia

    en.wikipedia.org/wiki/Squaring_the_circle

    Despite the proof that it is impossible, attempts to square the circle have been common in pseudomathematics (i.e. the work of mathematical cranks). The expression "squaring the circle" is sometimes used as a metaphor for trying to do the impossible. [1] The term quadrature of the circle is sometimes used as a synonym for squaring the circle.

  9. South Main Book Company is 'building up a community of ... - AOL

    www.aol.com/south-main-book-company-building...

    South Main Book Company has donated thousands of books to the Little Free Libraries of Rowan County. After filling the libraries with over $13,000 in anti-racist titles in summer 2020, in response ...