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  2. Parabola - Wikipedia

    en.wikipedia.org/wiki/Parabola

    In mathematics, a parabola is a plane curve which is mirror-symmetrical and is approximately U-shaped. It fits several superficially different mathematical descriptions, which can all be proved to define exactly the same curves. One description of a parabola involves a point (the focus) and a line (the directrix). The focus does not lie on the ...

  3. U-quadratic distribution - Wikipedia

    en.wikipedia.org/wiki/U-quadratic_distribution

    This distribution is a useful model for symmetric bimodal processes. Other continuous distributions allow more flexibility, in terms of relaxing the symmetry and the quadratic shape of the density function, which are enforced in the U-quadratic distribution – e.g., beta distribution and gamma distribution.

  4. Shape of a probability distribution - Wikipedia

    en.wikipedia.org/wiki/Shape_of_a_probability...

    The shape of a distribution will fall somewhere in a continuum where a flat distribution might be considered central and where types of departure from this include: mounded (or unimodal), U-shaped, J-shaped, reverse-J shaped and multi-modal. [1] A bimodal distribution would have two high points rather than one. The shape of a distribution is ...

  5. List of curves - Wikipedia

    en.wikipedia.org/wiki/List_of_curves

    Hemihelix, a quasi-helical shape characterized by multiple tendril perversions Tendril perversion (a transition between back-to-back helices) Seiffert's spiral [4]

  6. Catenary - Wikipedia

    en.wikipedia.org/wiki/Catenary

    A chain hanging from points forms a catenary. The silk on a spider's web forming multiple elastic catenaries.. In physics and geometry, a catenary (US: / ˈ k æ t ən ɛr i / KAT-ən-err-ee, UK: / k ə ˈ t iː n ər i / kə-TEE-nər-ee) is the curve that an idealized hanging chain or cable assumes under its own weight when supported only at its ends in a uniform gravitational field.

  7. Drive-thru dinner: 29 fast-food restaurants open on Thanksgiving

    www.aol.com/drive-thru-dinner-29-fast-193416322.html

    The majority of McDonald’s restaurants in the U.S. will be open on Thanksgiving, but hours vary by location so customers should consult the store locator tool to check local hours. Mountain Mike ...

  8. Jay-Z's attorney says in new filing that rape allegations are ...

    www.aol.com/entertainment/jay-zs-attorney-says...

    Shawn Carter, known professionally as Jay-Z, is fighting back against a lawsuit alleging that he raped a 13-year-old girl alongside Sean “Diddy” Combs in 2000.. A civil lawsuit filed against ...

  9. Confocal conic sections - Wikipedia

    en.wikipedia.org/wiki/Confocal_conic_sections

    The point (,) is the vertex of the parabola. Pencil of confocal parabolas From the definition of a parabola , for any point P {\displaystyle P} not on the x -axis, there is a unique parabola with focus at the origin opening to the right and a unique parabola with focus at the origin opening to the left, intersecting orthogonally at the point P ...