IB MAI HL Functions Topic 2.2 Applications of Functions (id: ddd73f59f)

本题目来源于试卷: IB MAI HL Functions Topic 2.2 Applications of Functions，类别为 IB数学

[填空题]
The graph shows the curve q y41sxx9z*uyof a quadratvbx9kiwo v5h fvcqba f( gi3*r2 h86jk;6;-hmic function of the form f(x)=$ax^2$+bx+90.

1.Write down the equation for the axis of symmetry of the curve. x =   
2.Hence, or otherwise, find the value of a and the value of b. a =    b =   
3.Find the y-coordinate of the vertex of the curve. f(x) =   

参考答案:
空格1: 2±2%  空格2: -2  空格3: 8  空格4: 98±2% 


本题详细解析:

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