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  2. Quadratic formula - Wikipedia

    en.wikipedia.org/wiki/Quadratic_formula

    To complete the square, form a squared binomial on the left-hand side of a quadratic equation, from which the solution can be found by taking the square root of both sides. The standard way to derive the quadratic formula is to apply the method of completing the square to the generic quadratic equation ⁠ a x 2 + b x + c = 0 {\displaystyle ...

  3. Template:Smoke test/How-to - Wikipedia

    en.wikipedia.org/wiki/Template:Smoke_test/How-to

    A Smoke test page is a subpage of a template /testcases page that works in tandem with development in a template sandbox. It consists of a relatively small set of test cases and includes some tests designed to test the features of a particular set of changes or proposed changes in a template sandbox.

  4. Missing square puzzle - Wikipedia

    en.wikipedia.org/wiki/Missing_square_puzzle

    The missing square puzzle is an optical illusion used in mathematics classes to help students reason about geometrical figures; or rather to teach them not to reason using figures, but to use only textual descriptions and the axioms of geometry. It depicts two arrangements made of similar shapes in slightly different configurations.

  5. Nine dots puzzle - Wikipedia

    en.wikipedia.org/wiki/Nine_dots_puzzle

    To do so, one goes outside the confines of the square area defined by the nine dots themselves. The phrase thinking outside the box, used by management consultants in the 1970s and 1980s, is a restatement of the solution strategy. According to Daniel Kies, the puzzle seems hard because we commonly imagine a boundary around the edge of the dot ...

  6. Template:Test case nowiki/sandbox - Wikipedia

    en.wikipedia.org/wiki/Template:Test_case_nowiki/...

    You can use |collapsible=yes with any format to turn it into a collapsible test case. If all the template outputs are the same the test case is collapsed and given a green heading. If any of the template outputs differ, the test case is expanded and given a yellow heading. You can set a custom title for collapsible test cases with the |title ...

  7. AOL Mail

    mail.aol.com/d?reason=invalid_cred

    Yes! You can take your email on the go with an iOS & Android app.

  8. Template:Date/testcases - Wikipedia

    en.wikipedia.org/wiki/Template:Date/testcases

    This is the template test cases page for the sandbox of Template:Date Purge this page to update the examples. If there are many examples of a complicated template, later ones may break due to limits in MediaWiki ; see the HTML comment " NewPP limit report " in the rendered page.

  9. Template:Test case - Wikipedia

    en.wikipedia.org/wiki/Template:Test_case

    If set to "y" or "yes", the test case is made collapsible. The test case is collapsed and given a green heading if all the template outputs are the same. If any of the template outputs differ, the test case is expanded and given a yellow heading. See #Collapsible test cases for other parameters which only work when _collapsible is enabled.