Question: show explinations to better comprehend problems 28. A line has a negative slope and a positive y-intercept. Does the point (1, 2) belong to the

show explinations to better comprehend problems

28. A line has a negative slope and a positive y-intercept. Does the point (1, 2) belong to the line? Justify your answer by providing a geometric illustration and an algebraic reasoning.

29. Let l1 be the line x 2y = 3. Let l2 be the line passing through the point (1, 3) which is perpendicular to l1. Find the coordinates of the intersection point between l1 and l2.

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