Exercice 1 Tout en justifiant votre choix. Soit le plan d'équation et le plan d'équation : . sont sécants. La droite d'intersection des plans a p représentation paramétrique :

7. A village with an actual area of \( 1 \mathrm{~km}^{2} \) is represented by an area of \( 4 \mathrm{~cm}^{2} \) on a map. (a) Express the scale of this map in the form \( 1: n \), where \( n \) is an integer.

Draw a graph of the line that contains the given point and has the given slope. \( (-5,0) ; m=\frac{1}{5} \)

Si \( P=(1,-1) \) y \( Q=(\sqrt{2},-1) \), la magnitud del vector \( \overrightarrow{P Q} \) es

The midpoint between two points is \( \{1,5\rangle \). One of those points is \( \{8,3\rangle \), find the other.

coordinate grid below. Find the coordinates of a fourth point o that the four points form the vertice of a rectangle.