medal + fan awaiting

Which of the following does not represent a direct variation?

Xavier took 2 pictures with his digital camera and used two point four gigabytes. He took 8 more and used another nine point six gigabytes.
A graph shows a line passing through the points three comma one and six comma two.
y equals six plus x
An x−y table shows the following coordinate pairs: four comma thirty-two, two comma sixteen, and zero comma zero.

Question

medal + fan awaiting


Which of the following does not represent a direct variation?
 	
	Xavier took 2 pictures with his digital camera and used two point four gigabytes. He took 8 more and used another nine point six gigabytes.
	A graph shows a line passing through the points three comma one and six comma two.
	y equals six plus x
	An x−y table shows the following coordinate pairs: four comma thirty-two, two comma sixteen, and zero comma zero.

anonymous · Answer

The last one, do you need an explanation?

swaugh · Answer

no but thank you