John graphed the points (2, -3) and (5, -4) on a coordinate grid. He claims the points make an increasing line with a positive slope of 3. Is John's statement right or wrong? Why?

A. John is correct. The slope is 1/3.

B. John is incorrect. The slope is - 7/3.

C. John is incorrect. The slope is - 1/3.

D. John is incorrect. The slope is 7/3.​