Re: Line k in the xy-plane goes through the point (1, 1) and has a negativ
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04 Jan 2023, 07:19
OE
The easiest way to solve this problem is to draw the xy-plane with each of the points in the answer choices plotted.
Drawing a line between (1, 1) and choice (A) would produce a vertical line (infinite or undefined slope).
Drawing a line between (1, 1) and choice (B) would produce a line with negative slope (-1).
Drawing a line between (1, 1) and choice (C) would produce a line with positive slope 1/3
Drawing a line between (1, 1) and choice (D) would produce a line with negative slope - 1/3
Therefore, choices (B) and (D) satisfy the conditions in the problem.