Left and Right Parabola

Discussion in 'Off-Topic Chat' started by nycmathguy, Aug 4, 2022.

  1. nycmathguy

    nycmathguy

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    What do we call a parabola that opens to the right and left? What makes a parabola open to the right and left?
     
    nycmathguy, Aug 4, 2022
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  2. nycmathguy

    MathLover1

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    [​IMG]

    (a) When  p>0  and the axis of symmetry is the x-axis, the parabola opens right.
    (b) When  p<0  and the axis of symmetry is the x-axis, the parabola opens left.
    (c) When  p<0  and the axis of symmetry is the y-axis, the parabola opens up.
    (d) When p<0 and the axis of symmetry is the y-axis, the parabola opens down.
     
    MathLover1, Aug 4, 2022
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  3. nycmathguy

    nycmathguy

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    This summary is found in all college algebra textbooks towards the ending chapters.
     
    nycmathguy, Aug 4, 2022
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