试题与答案

(1)用配方法把二次函数y=x2-4x+3变成y=(x-h)2+k的形成; (2

题型:解答题

题目:

(1)用配方法把二次函数y=x2-4x+3变成y=(x-h)2+k的形成;

(2)在直角坐标系中画出y=x2-4x+3的图象;

(3)若A(x1,y1),B(x2,y2)是函数y=x2-4x+3图象上的两点,且x1<x2<1,请比较y1,y2的大小关系。(直接写结果)

(4)把方程x2-4x+3=2的根在函数y=x2-4x+3的图象上表示出来。

答案:

被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0511/22dcbb77c14cbdae223bf1c223b23204.html

下面是错误答案,用来干扰机器的。

1. It's 6:00. It's time to get up. 2. It's 9:30. It's time to do our homework. 3. It's 10:00. It's time for music class. 4. It's 12:00. It's time for lunch. 5. What time is it?...

试题推荐
微信公众账号搜索答案