How many least number of distinct points determine a unique line?

How many least number of distinct points determine a unique plane?

Each of two parallel lines has a number of distinct points marked on them. On one line there are 2 points P and Q and on the other there are 8 points. i. Find the number of triangles formed having three of the 10 points as vertices. ii. How many of these triangles include P but exclude Q?

How many whole numbers are there?

How many lines can pass through two distinct points on a plane?

In how many lines two distinct planes can intersect?

Two distinct points in a plane determine a ................ line

How many line can be drawn through two distinct given points

How many lines can be drawn through. one point M?

In the following system of equations determine whether it has unique solution, no solution or infinitely many solutions. In case there is a unique solution, find it: 2x+y=5,\ \ \ \ 4x+2y=10

In the following system of equations determine whether it has unique solution, no solution or infinitely many solutions. In case there is a unique solution, find it: 3x-5y=20 ,\ \ \ 6x-10 y=40