Quadratics (id: cdec49fc2)

本题目来源于试卷: Quadratics，类别为 IB数学

[填空题]
Let $f(x)=a(x-h)^{2}+k$ , for $x \in \mathbb{R}$ .
The vertex of the graph of f is at $\mathrm{P}(3,4)$ and the graph passes through $\mathrm{Q}(1,-4)$ .
1. Write down the values of h and k . h =    k =   
2. Find the value of a .   

参考答案:
空格1: 3  空格2: 4  空格3: -2±2% 


本题详细解析:

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