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Rachel98

  • 3 years ago

Please help. Write a rule for the nth term of the sequence. Use your rule to find a100.–8, 9, 26, 43, 60, . . .

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  1. sauravshakya
    • 3 years ago
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    Looks like in A.P with first term -8 and common difference 17

  2. sauravshakya
    • 3 years ago
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    tn = t1 + (n-1)d where t1 is the first tem and d is the common difference

  3. sauravshakya
    • 3 years ago
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    Does it help?

  4. Rachel98
    • 3 years ago
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    Kind of, but what does it mean when it says to write a rule? What's the rule?

  5. sauravshakya
    • 3 years ago
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    tn=-8+(n-1)17=-8+17n-17=-25+17n

  6. sauravshakya
    • 3 years ago
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    Thats the rule

  7. sauravshakya
    • 3 years ago
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    Now, u need to find t100 = -25+17*100

  8. sauravshakya
    • 3 years ago
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    got it?

  9. Rachel98
    • 3 years ago
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    Yeah, thanks.

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