网址:http://m.1010jiajiao.com/timu_id_4425733[举报]
A.1 B.-1
C.±1 D.0
已知两点A(x,-2)、B(3,0),并且直线AB的斜率为,则x的值是
A.1
B.-1
C.±1
D.0
已知两点A(x,-2),B(3,0),并且直线AB的斜率为,则x=________.
[ ]