1. Watch the videos.

2. Complete the exercise below in your maths book (or on grid paper), showing all working out. 

ANSWERS: 

1 A

2 a (4, 4) b (5, 3) c (1, 1)

ANSWERS: 

3 a (8, 7) b(7, 8) c (4.5, 4) d (2, 3) e (4, 4.5) f (7, 0.5)

   g (0.5, 3.5) h (-3, -0.5) i (-1, 6.5) j (-1,- 1) k (7, -8) l (-5.5, -6)