Graphing a parabola by using the transformations

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  • Опубликовано: 8 фев 2025
  • 👉 Learn how to graph quadratic equations in vertex form. A quadratic equation is an equation of the form y = ax^2 + bx + c, where a, b and c are constants. The graph of a quadratic equation is in the shape of a parabola which can either face up or down (if x is squared in the equation) or face left or right (if y is squared).
    To graph a quadratic equation, we need to know some essential parts of the graph including the vertex and the transformations. The vertex of a parabola is the turning point of the parabola. It is the point on the parabola at which the curve changes from increasing to decreasing or vice-versa. The transformation can be a vertical/horizontal shift, a stretch/compression or a refection.
    Given a quadratic equation in the vertex form i.e. y = a(x - h)^2 + k, the vertex of the parabola formed by the equation is given by (h, k). Knowing the vertex of the graph and the parent graph, we can then apply the required transformation to obtain the required graph.
    'h' in the vertex signifies the number of units left or right the the graph of the quadratic equation is shifted. 'k' in the vertex signifies the number of units up or down the the graph of the quadratic equation is shifted.
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Комментарии • 19

  • @ari.dynamics
    @ari.dynamics 4 года назад +29

    I learned more from here than I did a whole year with my school math teacher

    • @RedyShines
      @RedyShines 2 года назад +3

      damn. that's kinda sad

  • @Luvamari222
    @Luvamari222 6 лет назад +8

    Why did you shift three units to the left if the three is positive?

    • @AA-nv4or
      @AA-nv4or 6 лет назад +4

      anyah crawley because that’s how u do it

    • @amytobar1389
      @amytobar1389 5 лет назад

      Because the rule for horizontal translations is f(x)=f(x-h)
      Then if you plug 3 into the h is going to become f(x)=f(x-3).

    • @angrykeyboard4654
      @angrykeyboard4654 5 лет назад +1

      He’s plugging -3 into h and -1(-3) = +3

    • @brokenskull5640
      @brokenskull5640 5 лет назад

      Pa eut po

  • @TheChocolatBlanc
    @TheChocolatBlanc 6 лет назад +10

    You saved me

  • @anzelleduay2195
    @anzelleduay2195 5 лет назад +1

    Functions and graphs of radicals (parabola amd linear)

  • @steph7833
    @steph7833 2 года назад

    Why when you it was a positive 3 you shifted the graph to the left? I thought positive numbers should shift to the right or up.

  • @kieranlobo9951
    @kieranlobo9951 4 года назад

    what does the x do?

  • @shaina49
    @shaina49 4 месяца назад

    What about when a is negative?

  • @eli9134
    @eli9134 6 лет назад +4

    wdf is dis

  • @amymsims
    @amymsims 4 года назад

    You show that it shifts but not why. Not helpful.