SOLUTION: In which direction does the parabola for the quadratic equation y = -5x2 – 16x + 21 open

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Question 881949: In which direction does the parabola for the quadratic equation y = -5x2 – 16x + 21 open
Answer by lwsshak3(11628) About Me  (Show Source):
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In which direction does the parabola for the quadratic equation y = -5x2 – 16x + 21 open
Given parabola opens downward because coefficient of x^2 is negative.