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Jenna M
Jenna M asked in Science & MathematicsMathematics · 1 decade ago

Can parabolas open sideways? Like right/left rather than up/down?

If so, can someone tell me how I would distinguish that just by looking at the equation. Thanks!

3 Answers

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  • John
    Lv 7
    1 decade ago
    Favorite Answer

    Yes, a parabola that "opens sideways" would be given by the equation x = y^2, or some variant thereof. Ones that open up and down will be given by y = x^2, or some variant thereof.

  • flyash391
    1 decade ago

    x = y^2 is a parabola opening sideways.

  • Johnny W
    Lv 4
    1 decade ago

    sure! just graph a square root function (graphers will not show the bottom half because it is invalid). But all you need to do is graph a square root function and it's inverse, and you will have a sideways parabola

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