已知l1的斜率是2，l2过点A(-1，-2)，B(x，6)，且l1∥l2，则lo g19 x=( )_刷题宝

题干

已知l₁的斜率是2，l₂过点A(-1，-2)，B(x，6)，且l₁∥l₂，则lo g

1

9

x=( )

A： $\frac{1}{2}$

B：- $\frac{1}{2}$

C：2

D：-2

上一题下一题 0.0难度选择题更新时间:2019-05-29 07:37:33

答案(点此获取答案解析）

B

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