1. The cost to join a club is $10 the first year and increases by 10% each year. What is the cost to join the club in the 9th year? $21.44 $25.94 $10.90 $23.58 1 2. For a geometric sequence, a = -24 and = What is the 7th term of the sequence? 4 3 32 O 3 8 3 512 3 128 3. For a geometric sequence, the first term is -2 and the common ratio is 2. Find the 20th term. O-1,048,576 O 2,097,153 1,048,576 O-2,097,153 6. Identify the sequence as arithmetic or geometric, and give the common difference or common ratio. -27,9,-3,1,... Arithmetic; d= 3 Arithmetic; d= 3 1 Geometric; *= 3 Geometric; =-3 8. The table defines a geometric sequence. Find the 10th term. n an 175 3 4 875 4 8 4375 5 16 2,734,375 256 546,875 128 109,375 64 O 13,671,875 512