The points (4,1) and (2,3) are on a line. What is the slope of the line?
1 Answer
Jan 28, 2018
Explanation:
#"calculate the slope m using the "color(blue)"gradient formula"#
#color(red)(bar(ul(|color(white)(2/2)color(black)(m=(y_2-y_1)/(x_2-x_1))color(white)(2/2)|)))#
#"let "(x_1,y_1)=(4,1)" and "(x_2,y_2)=(2,3)#
#rArrm=(3-1)/(2-4)=2/(-2)=-1#
