The points (4n, 2n) and (5n,8n) lie on a line. If n is a nonzero number, what is the slope of the line?
1 Answer
Jun 20, 2018
Explanation:
#"calculate the slope m using the "color(blue)"gradient formula"#
#•color(white)(x)m=(y_2-y_1)/(x_2-x_1)#
#"let "(x_1,y_1)=(4n,2n)" and "(x_2,y_2)=(5n,8n)#
#m=(8n-2n)/(5n=4n)=(6cancel(n))/cancel(n)=6#
