Question

Find the value of m if the points (5, 1), (-2, -3) and (8, 2m) are

collinear. ​

Answer 1

Answer:

given

(5, 1), (-2, -3) and(8, 2m)

x1+x2+x3/3,y1+y2+y3/3

the points are collinear

5-2+8/3,1-3+2m/3

11/3,2+2m/3

x=y

11/3=2+2m/3

11=2+2m

11-2=2m

9=2m

9/2=m