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Mathematics, 12.12.2020 17:00 skywil8981

What equation is a standard form of quadratic function? A.) y=x^2+6x+9
B.) y=(x+1)(x+3)
C.) y=-x^2+3x+5

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What equation is a standard form of quadratic function? A.) y=x^2+6x+9
B.) y=(x+1)(x+3)
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