3.
D F
E
G
C
B
1 2 3 4 5 6 7 8 9
9
8
7
6
5
4
3
2
1
(a) Plot the points A(3, 8), B(6, 1) and C(2, 5)
A
(b) What are the coordinates of the following points
D (0, 5)
E (6, 3)
F (6, 5)
G (8, 0)
?
?
?
?
x
y
7. (A) Complete the following pairs of coordinates for
(4, 2) (1, -1) (-1, -3)
(B) Plot these points on the grid below.
? ? ?
4
3
2
1
0
-1
-2
-3
-4 -3 -2 -1 1 2 3 4 5
(C) Draw a straight line through these points.
x
y
11. What are the coordinates of the mid-point of the line segment AB?
The coordinates of A are (2, 7) and of B (5, 3)
Hence the coordinates of the mid-point of AB are:
Show this point on the
diagram
?
7
6
5
4
3
2
1
-1
-2
-3
-4
-5
-6
-6 -5 -4 -3 -2 -1 1 2 3 4 5 6
?
? ?
? ??
D
C
A
B
x
y
12. What are the coordinates of mid-point of the line segment AC?
The coordinates of A are (2, 7) and of C (-5, 3)
Hence the coordinates of the mid-point AC are:
Show this point on the
diagram
7
6
5
4
3
2
1
-6 -5 -4 -3 -2 -1 1 2 3 4 5 6
D
C
A
B?
????
??
-1
-2
-3
-4
-5
-6
x
y
13. 7
6
5
4
3
2
1
-6 -5 -4 -3 -2 -1 1 2 3 4 5 6
D
C
A
B
What are the coordinates of mid-point of the line segment BD?
The coordinates of B are (5, 3) and of D (-4, -5)
Hence the coordinates of the mid-point BD are:
Show this point on the
diagram
?
-1
-2
-3
-4
-5
-6
?
? ?? ?
?
x
y
15. z
H G
FE
D C
BA x
y
If AB = 6, AD = 5 and AE = 2, write down the coordinates of each
vertex of the cuboid
A (0, 0, 0) B (6, 0, 0)
C (6, 5, 0) D (0, 5, 0)
E (0, 0, 2) F (6, 0, 2)
G (6, 5, 2) H (0, 5, 2)
?
?
?
? ?
?
?
?