Question

write the slope of a line that passes through (2,1) and (4,-5)

Answer 1

Given points say (x1,y1) = (2,1)

(x2,y2) = (4,-5)

m = (y2-y1)/(x2-x1)

m = (-5-1)/(4-2)

= -6/2

= -3

Slope of the line through given points is -3.