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This screenshot shows the formula E = mc 2 being edited using VisualEditor.The window is opened by typing "<math>" in VisualEditor. The visual editor shows a button that allows to choose one of three offered modes to display a formula.
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The roots of the quadratic function y = 1 / 2 x 2 − 3x + 5 / 2 are the places where the graph intersects the x-axis, the values x = 1 and x = 5. They can be found via the quadratic formula. In elementary algebra, the quadratic formula is a closed-form expression describing the solutions of a quadratic equation.
It just seemed an odd choice of image for the VP/P page as I didn't realise that was the only image on the page. I see that File:718smiley.svg is showing at Wikipedia:Village pump (proposals) . CambridgeBayWeather (solidly non-human), Uqaqtuq (talk) , Huliva 05:00, 14 December 2024 (UTC) [ reply ]
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Square number 16 as sum of gnomons. In mathematics, a square number or perfect square is an integer that is the square of an integer; [1] in other words, it is the product of some integer with itself. For example, 9 is a square number, since it equals 3 2 and can be written as 3 × 3.
For instance, the square of the linear polynomial x + 1 is the quadratic polynomial (x + 1) 2 = x 2 + 2x + 1. One of the important properties of squaring, for numbers as well as in many other mathematical systems, is that (for all numbers x), the square of x is the same as the square of its additive inverse −x.
While this usually makes it faster to access sites, this stored info can cause some sites to have loading errors. Clear your browser's cache to reset your browser and wipe out all the little unwanted bits of info that have been stored, making it overall run better.