Find the number of points on the straight line which joins $(-4,11)$ and $(16,-1)$ whose coordinates are positive integers.
a) $1$
b) $2$
c) $3$
d) $4$
Find the number of points on the straight line which joins $(-4,11)$ and $(16,-1)$ whose coordinates are positive integers.
a) $1$
b) $2$
c) $3$
d) $4$