Practice:

1.) The points P1 , P2 , P3 with the coordinates (2, 5), (7, 3), (-3, 7) respectively lie on a line. Show that the value for the slope of the line is the same, no matter which two of the three points are used in obtaining it.

2.) Show that the points (-2, -3), (5 , -4), (4 , 1), (-3 , 2) are the vertices of a parallelogram.

3.) With reference to the given figure, what is the slope (gradient) of the line segment?

4.) With reference to the given figure, what is the slope (gradient) of the line segment?

Practice 2

Find x and 3:, provide the reason for each equation obtained from the diagram