Answer:
arithmetic sequence
Step-by-step explanation:
Each new member of this sequence is less than the previous member by a fixed number, which means this is an arithmetic sequence.
X=0
1) Set ur equation 3x=6x
2) Move the terms to the left so subtract 6x
3) new equation would be 3x-6x=0
4) collect like terms -3x=0
5) divide on both sides
6) x=0
C because the slopes are not the same