6. Here is a straight-line graph.
The points A, B and C are equally spaced.
What are the co-ordinates of the point B?
Point D is directly below point C as shown.
What are the co-ordinates of the point D?
Answer: B ( –———, –———) , D ( –———, –———)
9.(ii) three multiples of 3.
Answer (ii) : ——–—