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Mathematics 21 Online
OpenStudy (keana):

Determine whether the graph of y = -3x2 - 4x + 10 opens up or down and whether it has a maximum or minimum point. A:Down and Minimum B:Down and Maximum C:Up and Maximum D:Up and Minimum

OpenStudy (goformit100):

C:Up and Maximum

OpenStudy (anonymous):

Re: goformit100 It can't have a maximum and point upwards. By definition, if it points upwards, then it has a minimum point. Because it's negative, it points downward and so here the answer is B: Down and maximum

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