Question 1 (1 point) Which has a common difference of -10? ( 1) 2.5, 11, 19.5, 28 ( 2) 2, - 7, -17,-27 3) 8, - 2, - 12, - 22 ( 4) -10.5, -9.5, -8.5, -7.5 Question 2 (1 point) Which term is a term of an arithmetic sequence with * = 156 and $17 = 284? ( 1) 411 2) 413 ( 3) 410 ( 4) 412Question 3 (1 point) Determine the difference, d, of this arithmetic sequence: -23, -17.6, -12.2, -6.8, ... ( 1) d = 5.4 ( 2) d =- 5.4 ( 3) d = -23 ( 4) The sequence has no common difference. Question 4 (1 point) In the sequence: -18, -10, -2, 6, ...; which term has the value 222? ( 1) t37 ( 2) t21 ( 3) t19 ( 4) t31Question 5 (1 point) The general term of an arithmetic sequence is * = -17+ (-4) (#2 -1). What are the first 4 terms of the sequence. ( 1) -21, -25, -29, -33 ( 2) - 17, -4, - 25, - 29 ( 3) -17, -25, -33, -41 ( 4) -17, -21, -25, -29 Question 6 (1 point) Find the sum of the first 13 terms of this arithmetic series: -2-1.5-1-0.5-... ( 1) $ 13 = 13 ( 2) $13 = -52 ( 3) $13 = 2.5 ( 4) $1 = 26Question 7 (1 point) Find the sum of the first 9 terms of an arithmetic series with : = -16 and d = -3. ( 1) S, = -180 ( 2) $, =-252 ( 3) $, = 2880 ( 4) $, = 324.5 Question 8 (1 point) An arithmetic series has $ = 17 and $1, = 132; find t1. ( 1) 1 =-7 ( 2) 1 = 7 ( 3 ) h = 1 4) 41 = 8Question 9 (1 point) An arithmetic series has $11 = -445.5, a=-7.5, and $1 =-78 ; find the first 3 terms of the series. ( 1) -3.75- 11.25-18.75 ( 2) -2-9-17 ( 3) -6-13.5-21 ( 4) -3-10.5-18 Question 10 (1 point) Which sequence is geometric? ( 1) 4, 12, 20, 28, .. ( 2) - 4, - 16,- 64, - 256, ... ( 3) 8, 39, 70, 101, .. ( 4) -4, - 3.1, -2.2, -1.3