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Line l_1 has equation 3x - 2y = 1 and goes through A = (-1, -2). Line l_2 has equation y = 1 and meets line l_1 at point B. Line l_3 has positive slope, goes through point A, and meets l_2 at point C. The area of triangle ABC is 3. What is the slope of l_3?

 Aug 2, 2020
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The slope of l_3 works out to -7/2.

 Aug 14, 2020

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