blover wrote:

need more explainations.

can somebody elaborate it more clearly ? this solution does not make sense to me.

Trying to simplify......see if this helps.

stmt 1 gives one point and there is a possibility of infinite lines passing through this one point. Hence, it is not sufficient to say that line that passes through this point will also pass through (2,-3).

stmt2 simply eliminates one of the infinite possible lines. This simply says that line l is not vertical. Hence, insufficient.

Combining stmt1 and stmt2 also gives infinite possibilities of line l as it says that the line is passing through point (-2,3) but is not vertical.

Hence, E.

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