Question

A

Temperature
of Soil Number of
Organisms
40° 10
45° 11.25
50° 12.5
55° 13.75
B
Temperature
of Soil Number of
Organisms
40° 20.5
45° 25.25
50° 25.25
55° 30.5
C
Temperature
of Soil Number of
Organisms
40° 16
45° 18
50° 14
55° 10
D
Temperature
of Soil Number of
Organisms
40° 26
45° 23
50° 26
55° 28


Bobby collected data on the temperature (in °F) of soil samples and the number of organisms living in the soil. Bobby's data models a direct variation. Which data table is Bobby's?
A)

Answer 1

Table A has the direct variation, for every 5 degree increase the number increase by 1.25

All the other tables have varying increases/ decreases.