The line passes (3,4) and (-1,-3). What is the slope of the line?

Please directly answer the question and provide the final value, e.g., 1, 2.5, 300.
Question: The line passes (3,4) and (-1,-3). What is the slope of the line?

Please first conduct reasoning, and then answer the question and provide the final value, e.g., 1, 2.5, 300, at the end.
Question: The line passes (3,4) and (-1,-3). What is the slope of the line?
