Quadratics (id: c5226b8f3)

本题目来源于试卷: Quadratics，类别为 IB数学

[填空题]
The diagram below shows z,2 rs0 z99czqouw3 gothe j qiv 106js,nqux-.e)uwis 7wgraph of a quadratic function $f(x)=2 x^{2}+b x+c $.




1. Write down the value of c .   
2. Find the value of b and write down f(x) .   
3. Calculate the coordinates of the vertex of the graph of f .(a,b) a =    b =   

参考答案:
空格1: -30  空格2: 2*x^2+4*x-30  空格3: -1  空格4: -32 


本题详细解析:

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