-6, -4, -2, 0, ...

52
64
66

Question

-6, -4, -2, 0, ...

52
64
66

lgbasallote · Answer

and the question is...?

anonymous · Answer

what are we trying to find here?

anonymous · Answer

:)

anonymous · Answer

Find the thirtieth term of the following sequence.
sorry forgot to mention it!

lgbasallote · Answer

use the formula for arithmetic sequence $$a_n = a_1 + (n-1)d$$

anonymous · Answer

@lgbasallote u can take this one....i forgot how to :P

lgbasallote · Answer

you're looking for thirieth term so $$a_n = a_{30}$$
since it's the thirtieth term, there are thirty terms so $$n = 30$$
since -6 is the first term $$a_1 = -6$$
now can you tell me what the common difference is?

lgbasallote · Answer

@yummydum i would have taken it either way lol jk

anonymous · Answer

lol no problem :D

anonymous · Answer

haha:P


i dont getD:

lgbasallote · Answer

your lesson is the arithmetic sequence right?

anonymous · Answer

its all algebra stuff

lgbasallote · Answer

so...your lesson is arithmetic sequence or not?

anonymous · Answer

i dont know what arithmetic sequence is

lgbasallote · Answer

oh...so what'syour lesson?

anonymous · Answer

my prolems are all algebra

lgbasallote · Answer

hmm we can do this manually...

do you see a pattern in the series?

anonymous · Answer

yea its going by 2's

lgbasallote · Answer

adding 2 right?

anonymous · Answer

i got 62 but 62 is not a choice

lgbasallote · Answer

you started with -6 right?

anonymous · Answer

i got 52

lgbasallote · Answer

1. -6
2. -4
3. -2
4. 0
5. 2
6. 4
7. 6
8. 8
9. 10
10. 12
11. 14
12. 16
13. 18
14. 20
15. 22
16. 24
17. 26
18. 28
19. 30
20. 32
21. 34
22. 36
23. 38
24. 40
25. 42
26. 44
27. 46
28. 48
29. 50
30. 52