What is the slope of a line that with the points (1,2) and (2,0)?

1 Answer
Mar 27, 2016

slope = -2

Explanation:

To find the gradient (slope) of a line passing through 2 points , use the #color(blue)" gradient formula " #

# m = (y_2 - y_1)/(x_2 - x_1) #

where #(x_1,y_1)" and " (x_2,y_2)" are the coords of 2 points "#

let # (x_1,y_1)=(1,2)" and " (x_2,y_2)=(2,0) #

now substitute these values into the formula

#rArr m = (0 - 2 )/(2 - 1 ) = (-2)/1 = -2 #