Question

What is the formula for the slope of a line segment whose endpoints are (x1,y1) and (x2,y2)?

A. m=y1−y2x2−x1
B. m=y2−y1x2−x1
C. m=x2−x1y2−y1
D. m=y2−x2y1−x1

Answer 1

the answer is C

The slope of the line is undefined, since m =

y2 − y1

a − a

.

Explanation:

Answer 2

I believe it is b. Sorry if I’m wrong.