题干

已知二次函数y=ax2+bx+c的图象上部分点的坐标(x,y)满足下表:

x

﹣1

0

1

2

y

﹣4

﹣2

2

8

上一题 下一题 0.0难度 选择题 更新时间:2017-08-23 03:05:04

答案(点此获取答案解析)

同类题5

阅读下面的诗文,回答相关问题。

                                                                                                          《饮酒》
                                                                                                            陶渊明

                                                                                             结庐在人境,而无车马喧。
                                                                                             问君何能尔,心远地自偏。
                                                                                             采菊东篱下,悠然见南山。
                                                                                             山气日夕佳,飞鸟相与还。
                                                                                              此中有真意,欲辩已忘言。