# What is the slope of the line passing through the following points: # (1,-1) , (1/2, 1)#?

##### 1 Answer

Sep 18, 2016

slope = - 4

#### Explanation:

To find the slope use the

#color(blue)"gradient formula"#

#color(red)(bar(ul(|color(white)(a/a)color(black)(m=(y_2-y_1)/(x_2-x_1))color(white)(a/a)|)))#

where m represents the slope and# (x_1,y_1),(x_2,y_2)" 2 coordinate points"# here the 2 points are

#(1,-1)" and " (1/2,1)# let

# (x_1,y_1)=(1,-1)" and " (x_2,y_2)=(1/2,1)#

#m=(1-(-1))/(1/2-1)=2/(-1/2)=-4" is the slope of the line"#