Quadratics (id: 3641d61ca)

本题目来源于试卷: Quadratics，类别为 IB数学

[填空题]
1. Express $2 x^{2}-8 x+9$ in the form a(x+b)^{2}+c where a, b, $c \in \mathbb{Z}$ .   
2. Given that f(x)=x-2 and $(g \circ f)(x)=2 x^{2}-8 x+9$, find g(x) .   

参考答案:
空格1: expressiom{2*(x-2)^2+1}  空格2: expressiom{2*x^2+1} 


本题详细解析:

微信扫一扫，分享更方便