Each number increases by one more than the preceding interval.
2 + 1 = 3
3 + 2 = 5
5 + 3 = 8
8 + 4 = 12
So, this "kiddo" needs some help plz!
You are having a discussion about sequences with your classmate. She insists that the sequence is 2, 3, 5, 8, and 12 must be either arithmetic or geometric. Is she correct. Explain.
HELP I DO NOT UNDERSTAND THIS!!!!! D;
6 answers
I see the pattern it's 2+1=3,3+2=5...your adding one more then before. If that makes sense. But otherwise I'm still stumped.
Wait..it would be arithmetic right?
3 = 2*1.5
5 = 3 *1.666666 .....
1.5 is not 1.6666..
so it is not geometric
3-2 = 1
5-3 = 2 so it is not arithmetic
5 = 3 *1.666666 .....
1.5 is not 1.6666..
so it is not geometric
3-2 = 1
5-3 = 2 so it is not arithmetic
She's incorrect. 2,3,5,8,and 12 is not arithmetic because there is no formula. (add two repeatedly) It cannot be geometric either and we know that because most geometric sequences are things like fractions and negatives. ( -4 subtract 1 repeatedly)
That's what Damon posted.