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the graph of a quadratic polynomial 7x^2-3x-4 is a parabola. determine the opening of the parabola. justify your answer |
Answer» The PARABOLA opens upward.Step-by-step explanation: The graph of a quadratic polynomial 7x² - 3x - 4 is a parabola. If leading coefficient of a quadratic polynomial is positive then the parabola opens upward. If leading coefficient of a quadratic polynomial is NEGATIVE then the parabola opens downward. Let f(X) = 7x² - 3x - 4 Here, leading coefficient of the f(x) is 7 which is positive. Hence, the parabola opens upward.
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