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Question 2 of 4 > This question: 1 Submit quiz point(s) possible Find the slope of the line passing through the pair of points or state that the slope is undefined. Then indicate whether K the line through the points rises, falls, is horizontal, or is vertical. (-1,8) and ( -8,1) - . . Select the correct choice below and fill in the answer box within your choice O A. The slope is (Simplify your answer.) O B. The slope is undefined. Indicate whether the line through the points rises, falls, is horizontal, or is vertical. 2 O The line is vertical. co O The line rises from left to right. O The line is horizontal. O The line falls from left to right. 10 CO 10