已知点A（﹣3，y1），B（﹣1，y2），C（2，y3）在二次函数y=x2+2x+c的图象上，则y1，y2，y3的大小关系是

题干

已知点A（﹣3，y₁），B（﹣1，y₂），C（2，y₃）在二次函数y=x²+2x+c的图象上，则y₁，y₂，y₃的大小关系是（）

A：y₁＞y₂＞y₃

B：y₂＞y₃＞y₁

C：y₃＞y₁＞y₂

D：无法确定

上一题下一题 0.0难度选择题更新时间:2017-10-19 06:36:48

C

根据表格内容, 选择正确答案。

(B)

Wang Wei	I can't sing or dance. I can play the guitar. But I couldn't play it three years ago.
Alice	I can sing and dance. I can also play the piano. When I was six, I couldn't play the piano at all.
James	I can swim and cook. I can't draw pictures. I could swim when I was five years old.
Liu Fang	I can perform ballet and dance to disco. I can also sing English songs. But I couldn't sing English songs two years ago.