Activity 1: Find the sum of the terms in the arithmetic sequence for the number of terms
indicated.
1. 4 + 1 + -2 + 5+ ... 40 terms
2. 6 +12 +18 + 24 + ... + 90 15 terms
3. 10 + 7 + 4 + 1 + ... 35 terms
4. 13 + 12 +11+...+(-36) 50 terms
5. 2 +9+16 +23+... 25 terms
indicated.
1. 4 + 1 + -2 + 5+ ... 40 terms
2. 6 +12 +18 + 24 + ... + 90 15 terms
3. 10 + 7 + 4 + 1 + ... 35 terms
4. 13 + 12 +11+...+(-36) 50 terms
5. 2 +9+16 +23+... 25 terms
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Answer:
1. -18, 740 is the sum of 40 terms
2. 720 is the sum of 15 terms
3. 1, 435 is the sum of 35 terms
4. 575 is the sum of 50 terms
5. 2, 150 is the sum of 25 terms
Isa lang ang solution ko ( in the image above) kasi hindi na siya mafifit