# The coordinate system , question 2, Grade 10

01/03/2017

In an orthonormal system of axes :

1. Plot the points : A(0,3), B(1,-1), and C(3,2)
2. Find the coordinates x and y of a point M knowing that :

3. Let F be the midpoint of [BC], find the coordinates of F in the system

.
4. Deduce the coordinates of E, the symmetric of F w.r.t C in the same system

5. Determine the coordinates of A, B and

in the system

.