1) Which sequence is an arithmetic sequence? a) 1, 4, 9, 16, 25, ..... b) 1, 3, 6, 10, 15, ..... c) 4, 7, 10, 13, 16, ..... d) 4, 2, 4, 2, 4, ..... e) 1, 1, 2, 3, 5, ..... f) 1, 2, 4, 8, 16, ..... 2) Which sequence is NOT an arithmetic sequence a) 4, 7, 10, 13, 16, ..... b) 14, 17, 20, 23, 26, ..... c) 12, 10, 8, 6, 4, ..... d) 41, 47, 53, 59, 65, ..... e) 5, 11, 18, 26, 35, ..... f) 104, 207, 310, 413, 516, ..... 3) What is the common difference for this sequence 13, 9, 5, 1, -3, .....? a) 13 b) 5 c) -3 d) 4 e) -4 f) d 4) What is the common difference for this sequence 3, 9, 15, 21, 27, .....? a) 3 b) 4 c) 5 d) 6 e) -6 f) 8 5) What is the common difference for this sequence 28, 39, 50, 61, 72, .....? a) 5 b) 28 c) 9 d) 10 e) 11 f) 12 6) In the formula un = u1 + (n - 1)d u1 represents a) the common difference b) the number of terms c) the second term d) the first term e) the last term f) the 21st term 7) In the formula un = u1 + (n - 1)d d represents a) the common difference b) the number of terms c) the second term d) the first term e) the last term f) the fourth term 8) If the 1st term is 7 and the common difference is 3 what is the 4th term? a) 3 b) 4 c) 7 d) 9 e) 14 f) 16 9) If the 1st term is 6 and the common difference is 2 what is the 5th term? a) 11 b) 12 c) 13 d) 14 e) 15 f) 16 10) If the 4th term is 7 and the common difference is 3 what is the 2nd term? a) -3 b) -2 c) -1 d) 1 e) 2 f) 3 11) If the 5th term is 16 and the 8th term is 28, what is the common difference? a) 3 b) 4 c) 6 d) 8 e) 10 f) 12 12) If the 3rd term is 19 and the 5th term is 11, what is the common difference? a) -8 b) -6 c) -4 d) 4 e) 6 f) 8 13) In the sequence given by the formula un = 6 + 5(n - 1) which statement is NOT TRUE a) The first term is 6 b) The 2nd term is 11 c) The 4th term is 21 d) The 3rd term is 16 e) The common difference is 5 f) The 2nd term is 13 14) In the sequence given by the formula un = 4 + 3(n - 1) which statement IS TRUE a) The common difference is 4 b) The first term is 3 c) The common difference is 7 d) The first term is 4 e) The second term is 8 f) The third term is 7 15) In the sequence given by the formula un = 5n + 2, what are the first term and common difference? a) 1st term is 2 common difference is 5 b) 1st term is 5 common difference is 2 c) 1st term is 5 common difference is 5 d) 1st term is 2 common difference is 2 e) 1st term is 7 common difference is 5 f) 1st term is 7 common difference is 2

Arithmetic Sequences Quiz

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