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Category Archive for: ‘Calculus’

How Do I Know Which Direction the Parabola Opens?

From the Value of a There are a couple of ways we can determine the direction the parabola opens. The a-value is one way. If a > 0, then the parabola opens upward. If a < 0, then the parabola opens downward. Recall that when the parabola is given in standard form, y = ax¬≤ + bx + c, the …

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