I believe anything that is squared (^2) is a quadratic. so a, b, e and f are quadratics. you could also check on desmos to see if they are parabolas (u shape).
Answer:
0.166667 - Common Ratio
step by step
Formula Used: Common Ratio=First term/Consecutive Term
Calculation: 0.166667=(-14)/(-84)
Answer: I think the first one is A. and the next one is B
Step-by-step explanation:
