Answer and Step-by-step explanation

2, -4, 6, -8, 10, -12, 14, -16
These are the next three numbers in the pattern :-12, 14, -16
16 - x = 4
16 - 12 = 4
x = 12
Answer:
0.5 I think. because for every 2 on the x axis, it grows 1 on the y axis.
4.6 is the correct answer. Hope I helped:)