WITH SOLUTIONS PLEASE!
1. Show that the sequence tn: {-0.9,-0.7,0.5,...} is an arithmetic sequence
2. Find the rule for the arithmetic sequence tn: {1/8,3/8,5/8,...}
3. Find the 10th term of the arithmetic sequence tn: {-10,-6,-2,...}
4. The three consecutive terms of an arithmetic sequence are 3.6,y,8.2. Find the value of y.
5. Insert three evenly spaced numbers between -2 and 10.
6. Find the !0th term of an arithmetic sequence where the first term is 5 and the 4th term is 17.
7. Find the difference between 4th term and the 10th term of the arithmetic sequence tn:{2,-1,-4,...}
8. The 10th term in an arithmetic sequence is 8 and the 4th term is -4. Determine the first term A.
9. Fnd the sum to first 8 terms of the arithmetic sequence tn:{-14,-12,-10,...}

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Answers

2016-06-19T03:30:21+08:00
9. answer 2
8. answer 
7. ans. -3
6 ans 41
5 ans
4ans
3ans 26
2ans
1ans 

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