Which parabola opens upward? y = 2x – 4x^2 – 5 y = 4 – 2x^2 –5x y = 2 + 4x – 5x^2 y = –5x +

Question

Which parabola opens upward?

y = 2x – 4x^2 – 5

y = 4 – 2x^2 –5x

y = 2 + 4x – 5x^2

y = –5x + 4x^2 + 2

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Khải Quang 2 months 2021-07-31T18:23:20+00:00 1 Answers 2 views 0

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    2021-07-31T18:24:23+00:00

    The answer is D
    Because it has the positive coefficient of x^2

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