B. Determine if the tables and graphs below express a direct variation between the variables, if
they do, find the constant of variation and an equation that defines the relation.
1.
1
5
х
y у.
4
2.
4
3
6
4
8
10
N
2.
х
y у
24
1
12
2
8
3
6
4
3.
Х
LY у
10
100
15
150
20
200
25
250
4.
10
8
6
4
2
С
2.
4
6
8