题目

一次函数y=（m2﹣4）x+（1﹣m）和y=（m﹣1）x+m2﹣3的图象与y轴分别交于点P和点Q，若点P与点Q关于x轴对称，则m= 答案：【1】-1看图，判断句子正误，正确的填T，错误的填F --What are you going to do? --I'm going to sing songs.