Have an account?
Skip to Content
Build your own quiz
20 questions
Show Answers
See Preview
- 1. Multiple ChoiceWhat is the sum of the first 50 terms of the series 2 + 17 + 32 + 47 + ...?1,60018,23518,47519,125
- 2. Multiple ChoiceThe 4th term in the sequence given by:
a1 = 6
an = 4an-1 + na4 = 332a4 = 426a4 = 432none of the above - 3. Multiple ChoiceIn an arithmetic sequence if a15 =108 and d=7, find a1.1410120610
- 4. Multiple ChoiceYou visit the Grand Canyon and drop a penny off the edge of a cliff. The distance the penny will fall is 16 feet the first second, 48 feet the next second, 80 feet the third second, and so on in an arithmetic sequence. What is the total distance the object will fall in 6 seconds?576 feet176 feet96 feet588 feet
- 5. Multiple ChoiceA display of cans on a grocery shelf consists of 200 cans on the bottom, 194 cans in the next row, and so on in an arithmetic sequence, until the top row has 14 cans. How many cans, in total, are in the display?2800 cans6848 cans1498 cans3424 cans
- 6. Multiple ChoiceWrite the recursive formula for the following sequence?
6, 4, 2, 0, . . .an = -2n + 8a1 =6, an = an - 1 - 2a1 = 6, an = an-1 + 2a1 = 6, an = an-1 - 2 - 7. Multiple ChoiceYou have $10 in you bank account. It doubles every month. How much money will you have after 5 months?$50$35$320$250
- 8. Multiple ChoiceWhich recursive formula best describes the sequence
2, -6, 18, - 54...an=an-1* -4, a1 = 2an=an-1* - 8, a1 =2an=an-1* 2, a1 = -3an=an-1* -3, a1 =2 - 9. Multiple ChoiceFind the 9th term of the arithmetic sequence;
a2 = 11.6 and a5 = 5-3.8-2932.8 - 10. Multiple ChoiceFind the rule for this geometric sequence:
r = 3 a3 = -12an = (-4/3) (3)n-1an = -4 (3)n-1an = (-3/4) (3) n-1 - 11. Multiple ChoiceCalculate the sum of the terms of the following infinite geometric sequence:
1, 1/2, 1/4, 1/8, 1/16...231 - 12. Multiple ChoiceWhich recursive formula best describes the sequence
2, -6, 18, - 54...an=an-1* -4, a1 = 2an=an-1* - 8, a1 =2an=an-1* 2, a1 = -3an=an-1* -3, a1 =2 - 13. Multiple ChoiceFind the missing term or terms for the following geometric sequence: ...,2,___, ___, 128, ...6, 248, 3210, 402, 8
- 14. Multiple ChoiceFor each sequence, state if it is arithmetic, geometric or neither.
-30,-14,-6,-2, 0, ...ArithmeticGeometricNeitherI dunno??? - 15. Multiple ChoiceFor each sequence, state if it is arithmetic, geometric or neither.
243,81,27,9,3...ArithmeticGeometricNeitherWho knows? - 16. Multiple ChoiceFor each sequence, state if it is arithmetic, geometric or neither.
30,39,48,57,66,...ArithmeticGeometricNeitherThere's a difference??? - 17. Multiple ChoiceTwo terms of an arithmetic sequence are a6 = −12 and a12 = −36. Write a rule for the nth term.an = 4n + 12an = −4n − 12an = −4n +12Not possible
- 18. Multiple ChoiceFind the missing term or terms in the arithmetic sequence: ...,12, ___, ___ , 72, ...-9 , -30-7, -2632, 52-8, -28
- 19. Multiple ChoiceWrite a rule an given two terms a3 = 16 and a5 = 256 of a geometric sequencean = 4n-1an = 4n+1an = 4nWhat's a rule?
- 20. Multiple ChoiceWrite a recursive rule for the sequence given a1 = 32 and r= 0.5an = 0.5 an-1a1= 32, an = 0.5 an-1an =32(0.5)n-1I dunno...
- Answer choicesTagsAnswer choicesTags