Question

Which table represents a direct variation?


Table A
x
4
6
8
10
y
7
9
11
13



Table B
x
4
6
8
10
y
12
18
24
30



Table C
x
4
6
8
10
y
1
3
5
7



Table D
x
4
6
8
10
y
3
3
3
3


Table A
Table B
Table C
Table D

Answer 1

Table B
x
4
6
8
10
y
12 = 3*4
18 = 3*6
24 = 3*8
30 = 3*10
SO y = 3 x That looks pretty direct.