Question

plzz answer the 4th question

Answer 1

(-3,10)=(x1,y1)
(6,-8)=(x2,y2)
(-1,6)=(x,y)

by section formula,
x=mx2+nx1/m+n
-1=m×6+n×3/m+n
-1 (m+n)=6m-3n
-m-n=6m-3n
-n+3n=6m+m
2n=7m
m/n=2/7
m:n=2:7