【GMAT考满分数据洞察DS题库】If lines _真题_答案

题目内容

If lines $p$ and $q$ are perpendicular to each other, is the slope of line $p$ positive?

(1) line $q$ passes through the point $(-4,2)$

(2) lines $p$ and $q$ intersect at the point $(-2,1)$

AStatements (1) and (2) TOGETHER are not sufficient.
BEACH statement ALONE is sufficient.
CBOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
DStatement (2) ALONE is sufficient, but statement (1) alone is not sufficient.
EStatements (1) and (2) TOGETHER are not sufficient.

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正确答案: C

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