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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. Y-cable - Wikipedia

    en.wikipedia.org/wiki/Y-cable

    A Shure FP24 preamp's mono XLR line outputs connected to an Edirol R-09 recorder's 3.5mm stereo jack line input, using a Y-cable. This is an example of consolidating connectors, as described below. A Y-cable, Y cable, or splitter cable is a cable with three ends: one common end and two other ends. The Y-cable can resemble the Latin letter "Y".

  4. Quadratic equation - Wikipedia

    en.wikipedia.org/wiki/Quadratic_equation

    For the quadratic function y = x 2x2, the points where the graph crosses the x-axis, x = −1 and x = 2, are the solutions of the quadratic equation x 2x2 = 0. The process of completing the square makes use of the algebraic identity + + = (+), which represents a well-defined algorithm that can be used to solve any quadratic ...

  5. Quadratic formula - Wikipedia

    en.wikipedia.org/wiki/Quadratic_formula

    The roots of the quadratic function y = ⁠ 1 / 2x 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.

  6. Today’s NYT ‘Strands’ Hints, Spangram and Answers for Friday ...

    www.aol.com/today-nyt-strands-hints-spangram...

    For every 3 non-theme words you find, you earn a hint. Hints show the letters of a theme word. If there is already an active hint on the board, a hint will show that word’s letter order.

  7. What Is Total Daily Energy Expenditure & How Do I Calculate It?

    www.aol.com/total-daily-energy-expenditure...

    TDEE Meaning and How It Works. Total daily energy expenditure, or TDEE, is just jargon for what most of us know as metabolism. ... This way, you can adjust your habits and health plans as needed ...

  8. AOL reviewed: Storyworth is the perfect gift for someone who ...

    www.aol.com/lifestyle/storyworth-review...

    What I liked about Storyworth. There’s a lot to like about Storyworth, assuming you either choose to answer the questions yourself or choose to pepper a willing participant.

  9. Rotation formalisms in three dimensions - Wikipedia

    en.wikipedia.org/wiki/Rotation_formalisms_in...

    Using the x-convention, the 3-1-3 extrinsic Euler angles φ, θ and ψ (around the z-axis, x-axis and again the -axis) can be obtained as follows: = ⁡ (,) = ⁡ = ⁡ (,) Note that atan2( a , b ) is equivalent to arctan ⁠ a / b ⁠ where it also takes into account the quadrant that the point ( b , a ) is in; see atan2 .