Task: Question Answering
Input (English): Problem: line m lies in the xy - plane. the y - intercept of line m is - 2, and line m passes through the midpoint of the line segment whose endpoints are ( 2, 8 ) and ( 144 ). what is the slope of line m ?
Options: a. - 2, b. - 1, c. 0, d. 1, e. 2
Output (English): d