a glimpse of a giraffe
a glimpse of a graph
‘graphsnaps’
the diagrams show bits of a graph
try to work out what the graph rule (equation) is from the information given
4
5
6
7
4
5
6
7
1
2
3
4
5
6
7
8
x
0
1
2
3
y
5
7
rule?
(1)
(2)
(3)
x
0
1
2
3
y
1
4
x
0
1
5
-2
y
6
7
rule?
rule?
7
8
9
10
-7
-6
-5
-4
2
3
4
5
x
3
4
0
-2
y
11
12
rule?
(4)
(5)
(6)
x
7
8
10
4
y
8
10
x
0
2
4
10
y
3
4
rule?
rule?
-3
-2
-1
0
7
8
9
10
2
3
4
5
x
0
2
4
10
y
-2
-1
rule?
(7)
(8)
(9)
x
0
1
7
-2
y
10
9
x
0
1
2
6
y
4
2
rule?
rule?
what are the equations of these parallel lines?