Quadratics (id: 4c61425fe)

本题目来源于试卷: Quadratics，类别为 IB数学

[填空题]
Consider $f(x)=x^{2}+b x+c$ , for x $\in \mathbb{R}$ , where b, c $\in \mathbb{Z}$ . The graph of f has a local minimum at x=2.5 . The distance between the two x -intercepts of the graph of f is 7 .
1. Find the coordinates of the two x -intercepts. (a,b) a =    b =    (c,d) c =    d =   
2. Find the value of b and the value of c .b =    c =   

参考答案:
空格1: {-1|6}  空格2: 0  空格3: {-1|6}  空格4: 0  空格5: -5  空格6: -6 


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