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下表是二次函数y=ax눀+bx+c(a不等于0,a,b,c为常数)的部分自变量取值与对应的函数数值
下表是二次函数y=ax눀+bx+c(a不等于0,a,b,c为常数)的部分自变量取值与对应的函数数值
2025-03-16 02:57:38
推荐回答(2个)
回答1:
y(0)=y(1)=-2
x=1/2为对称轴
y(-1)=0>y(0)
二次函数开口向上
y(0)=-2
y(1)=0
a=1
b=-1
c=-2
y=x²-x-2
m=4
回答2:
m=1
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