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OpenStudy (anonymous):

Which coefficient in the function tells us that the parabola for the function will point downward? y = -2x2 + 5x - 4 A. -2 B. 5 C. -4

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OpenStudy (phoenixfire):

ax^2+bx+c a determines the parabola's direction by being positive or negative.

OpenStudy (unklerhaukus):

the the coefficient of -2 in front of the x^2, determines the downward direction it is negative so|dw:1338082001887:dw|

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