Transcript Inequations and the number line

Inequations and the number line
Algebra
1
5
4
3
2
0– 5
1
2
3
4
5
1
2
3
4
Identifying parts of the number line using inequations.
The diagram shows a number line.
The arrowed line above the number line indicates the part of the number
line which can be represented by the inequation x  1
– 5
– 4
– 3
– 2
– 1

0
1
2
3
4
5
2
8
6
4
0– 2
2
4
6
8
In each of the examples below find an inequation
to represent the part of the number line indicated.
2
12
10
8
6
4
0– 2
2
4
6
8
10
12
1.
2.
– 2
– 2
0

0
2
2

4
4
6
6
8
10
8
12
1
2
0– 8
1
2
1
2
3
4
5
6
7
In each of the examples below find an inequation
to represent the part of the number line indicated.
4
20
16
12
8
0
4
8
12
16
20
3.
– 8
– 7
– 6
– 5
– 4
– 3
– 2
– 1

0
1
2
0.5
2
1.5
1
0– 1
0.5
1
1.5
2
0.5
4
0
4
– 1
– 0.5
8
12
16
20
10
50
40
30
20
0– 10
10
20
30
40
50
5.
0
0.5
10
20
1
1.5
2
0– 4
1
2
3
6.
7.
– 10
– 4
0
– 3
– 2
30
40
– 1
50

0
0.2
1
0.8
0.6
0.4
0
0.2
0.4
0.6
0.8
1
In each of the examples below find an inequation
to represent the part of the number line indicated.
1
2
0– 2
1
2
1
8.
0
0.2
0.4
0.6
0.8
1
2
10
8
6
4
0– 10
2
4
6
8
10
2
4
6
8

9
– 2
2
4
0– 4
2
4
2
10.
– 10
0.2
1
0.8
0.6
0.4
0
0.2
0.4
0.6
0.8
1

– 8

11.
12.
– 1
0
– 6
0
– 4
– 4
– 2
0.2
0.4
– 2
1
0
2
4
0
2
0.6
0.8
6

8
2
10
4
1
4
20
16
12
8
0– 4
4
8
12
16
20
In each of the examples below find an inequation
to represent the part of the number line indicated.
1
2
0– 2
1
2
1
13.
– 4

0
4
8
12
16
20
1
6
5
4
3
2
0– 6
1
2
3
4
5
6
1
2
3
4
5
14.
– 2
– 1
0
1

2
10
50
40
30
20
0
10
20
30
40
50
15.
– 6
– 5
– 4

– 3
– 2
– 1
0
1
2
3
4
5
6
4
40
36
32
28
24
20
16
12
8
0– 8
4
8
12
16
20
24
28
32
36
40
4
16.
0
17.
– 8
10
– 4
0
20
4
8
12
30
16
20
40
24
28
50
32
36
40
10
50
40
30
20
0– 50
10
20
30
40
50
10
20
30
40
In each of the examples below find an inequation
to represent the part of the number line indicated.
5
20
15
10
0– 10
5
10
15
20
5
18.
– 50
0.2
1
0.8
0.6
0.4
0– 1
0.2
0.4
0.6
0.8
1
0.2
0.4
0.6
0.8
10
100
90
80
70
60
50
40
30
20
0
10
20
30
40
50
60
70
80
90
100
19.

– 40
– 10
– 30
– 20
– 5
– 10
0
0
10
5
20

40
30
10
50
15
20
20.
1
4
3
2
0– 4
1
2
3
4
1
2
3
– 1
– 0.8
0
10
– 0.6
– 0.4
– 0.2
0
0.2
0.4
0.6
21.
20
30
40
50
60
70
80
0.8

90
1
100
0– 20
2
4
6
8
10
12
14
16
18
22.
23.
– 4
– 20
– 3
– 18
– 2
– 1
– 14
– 16
0
– 12
1
– 10
2
– 8
– 6
3
– 4
4
– 2
0