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  2. Completing the square - Wikipedia

    en.wikipedia.org/wiki/Completing_the_square

    That is, h is the x-coordinate of the axis of symmetry (i.e. the axis of symmetry has equation x = h), and k is the minimum value (or maximum value, if a < 0) of the quadratic function. One way to see this is to note that the graph of the function f(x) = x 2 is a parabola whose vertex is at the origin (0, 0).

  3. Cartesian coordinate system - Wikipedia

    en.wikipedia.org/wiki/Cartesian_coordinate_system

    The standard orientation, where the xy-plane is horizontal and the z-axis points up (and the x- and the y-axis form a positively oriented two-dimensional coordinate system in the xy-plane if observed from above the xy-plane) is called right-handed or positive. 3D Cartesian coordinate handedness. The name derives from the right-hand rule.

  4. Translation of axes - Wikipedia

    en.wikipedia.org/wiki/Translation_of_axes

    For an xyz-Cartesian coordinate system in three dimensions, suppose that a second Cartesian coordinate system is introduced, with axes x', y' and z' so located that the x' axis is parallel to the x axis and h units from it, the y' axis is parallel to the y axis and k units from it, and the z' axis is parallel to the z axis and l units from it.

  5. Abscissa and ordinate - Wikipedia

    en.wikipedia.org/wiki/Abscissa_and_ordinate

    In common usage, the abscissa refers to the x coordinate and the ordinate refers to the y coordinate of a standard two-dimensional graph. [1] [2]The distance of a point from the y axis, scaled with the x axis, is called the abscissa or x coordinate of the point.

  6. Complex plane - Wikipedia

    en.wikipedia.org/wiki/Complex_plane

    The distance along the line from the origin to the point z = x + yi is the modulus or absolute value of z. The angle θ is the argument of z. Argand diagram refers to a geometric plot of complex numbers as points z = x + iy using the horizontal x-axis as the real axis and the vertical y-axis as the imaginary axis. [3]

  7. Bar chart - Wikipedia

    en.wikipedia.org/wiki/Bar_chart

    — vertical-axis quantities (A/X) and — horizontal-axis quantities (X). sajith 300 Anuradhapura 230. Arithmetically, the area of each bar (rectangle) is determined a product of sides' lengths: (A/X)*X = Area A for each bar. Roles of the vertical and horizontal axes may be reversed, depending on the desired application.

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    mail.aol.com

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  9. Parent function - Wikipedia

    en.wikipedia.org/wiki/Parent_function

    For example, the graph of y = x 2 − 4x + 7 can be obtained from the graph of y = x 2 by translating +2 units along the X axis and +3 units along Y axis. This is because the equation can also be written as y − 3 = (x − 2) 2. For many trigonometric functions, the parent function is usually a basic sin(x), cos(x), or tan(x).