Find the slope of the line passing through the points given below or state that the slope is undefined. Then indicate whether the line through the points rises, falls, is horizontal, or is vertical. (5,4) and (6,9) Select the correct choice below and, if necessary, fill in the answer box within your choice. A. The slope is 5. B. The slope is undefined. Indicate whether the line through the points rises, falls, is horizontal, or is vertical. Choose the correct answer below. A. The line falls from left to right. OB. The line is horizontal. OC. The line is vertical. OD. The line rises from left to right.