Activity 8: It's Cross number Puzzle time DIRECTION:Answer each question below to complete the cross-number puzzle. Use a seperate sheet of paper for natural presentation of solutions. ACROSS 2.What is the first term of arithmetic sequence __,__,__,41, 346, 19, 919? 4.a³=12, a⁴=0, what is the 100th term of the arithmetic sequence? 5.What is the common difference in the sequence 8, 433, 458, . . . ? 7.Find k so that 2k – 1, 3k + 3, 5k + 2 form an arithmetic sequence. 8.a²=6, a5=24, find the 30th term of the arithmetic sequence. DOWN 1.Find the value of the second term of the arithmetic sequence 2k - 2, 4k, 7k-7. 2.What is the 56th term of the arithmetic sequence 928, 934, 940, . . . ? 3.What is the value of the third term of the arithmetic sequence 2k - 1, 3k + 3, 5k + 2? 4.What is the common difference of the sequence 62 773, 41 346, 19 919? 6.Which term of the arithmetic sequence 1, 8, 15, . . . is 344?
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