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1. What is the next term in the a. 10 b. 18 $sea0ence1,3,4,7,117$ $8$ $c$ $16$ $tthenthwteA=3n7$ $8$ $12$ $16$ $c$ $36912$ d. 14 2. What is the first four terms a. 2, 4, 6, 8 $b.4,8,12,16$ $d.1.2,3,4$ 3. Which of the following shows arithmetic sequence? a. $5,10,15,20$ $b.2,4,8,16$ $d.h,1/3,\times ,1/5$ 4. Find the common difference in the arithmetic $c$ $1,1,2,3$ $caacncek,1,3/2,27$ $c-n$ a. 1 b. -1 d. % 5. What is the arithmetic mean $otwccn5an429$ a. 17 b. 16 c. d. 12 6. What is the sum of all odd integers between 8 and 27014 5 ? b. 64 c. d. 84 7. $a$ $54$ $wh3tsthe7$ term of the sequence whose nth is A,= nn² ? -+1 1 ? a. 24/25 b. 49/48 c. 48/49 d. 25/24 8. What is the 20th term of the arithmetic sequence 3, 6, 9, 12? a. 51 b. 54 c. 57 arithmetic means are inserted between 5 and c4. 31, 2 find the second arddith. m. 65et0 0 ic means? 9. If 3 a. 1t4 he b. 23 10. Find arithmetic mean between $20and2207$ a. 80 b. 90 c. 120 d. 110 11. What is the sum of the first 200 counting numbers? a. 2010 b. 20,100 c. $d$ $21.000$ $seauence6,12.18,24$ 2100 12. $wh3tlsthe$ sum of the 20th terms of the arithmetic a. 2160 b. 1620 c. 1206 d. 1260 13. Which term of the arithmetic $ca$ $once5,2-1,-4$ . is -31? a. 11"term b. 12"term c. 13"term d. 14"term 14. Find m so that $m+6,5m,8m-4,-\left(oim$ an $\left(hmc1\right)cscq0enCC$ a. -3 b. -2 c. 3 d. 2 15. A rocket rises 50 feet after 1 second, 85ft $e+2se$ $ond5and120\left(cctater3second5$ If it continues to rise at this rate, how many feet will it rise after 16 second? a. 855 ft. b, 575 ft. c. 775 ft. d. 685 ft. $18Ec1oα5$ Do each of the following. Write your complete solutions. Find the 9th term of the arithmetic sequence with $a1=10andd=-y$ - (( 1169--1281)). . The arithmetic mean between two terms in an arithmetic sequence is 39. If one of these terms is 32, find the other term. ( 22-25). The sum of the first 10 terms of an arithmetic sequence is 530. What is the first term if the last term is 80? What is the common difference?
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