17-06-2016
Mathematics

contestada

Which of the quadratic functions has a graph that opens downward?
Check All that apply

A. Y=5/2X-3X^2
B. Y=-(2X^2-1)
C. Y=3/2X^2-3X+15
D. Y=3X^2-X-1

Respuesta :

17-06-2016

Hello,

A and B open downward.
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