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Using graphing technology, create your own quadratic equation whose graph opens down and crosses the x-axis at two points. Use complete sentences to explain what piece of the quadratic equation causes its graph to open up or down. Approximate the coordinates of the vertex and x-intercepts of the parabola.

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  1. BTaylor
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    y = -x^2 + 1 vertex: (0 , 1) x intercepts: (1 , 0) & (-1 , 0) it opens down because the coefficient of the x^2 term is negative.

    • one year ago
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