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Chaitanya_1986
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Two lines are perpendicular if the product of their slopes is -1.Chaitanya_1986 wrote:Please Help
(1) From the info in this statement, we know that line k passes through the points (1, 1) and (1, -1). So, we can find the slope of line k. But we don't know the slope of line m.
So, (1) is NOT SUFFICIENT.
(2)From the info in this statement, we know that line k passes through the points (1, 1) and (1, 0). So, we can find the slope of line k. But we don't know the slope of line m.
So, (2) is NOT SUFFICIENT.
Combining (1) and (2) also, we don't know the slope of line m. So, combining also is NOT SUFFICIENT.
The correct answer is E.
