Question: the slope of a straight line is given as…….. A. m= y1-y2/x2-x1 B. m= y2-y1/x2-x1 C. m=x2-x1/y2-y1 D. m= x1-x2/y1-y2 Answer» b. m= y2-y1/x2-x1 Note: The above multiple-choice question is for all general and Competitive Exams in India.