Asked by Anonymous
Which of the following quadratic functions has a graph that opens downwards?
check all that apply
A. y=2x^2-9x+3
B. y=x^2+4x+8
C. y=-(5+2x^2)
D. y=60x-15x^2
check all that apply
A. y=2x^2-9x+3
B. y=x^2+4x+8
C. y=-(5+2x^2)
D. y=60x-15x^2
Answers
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