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userneedinghelp12

  • 3 years ago

What equation can be used to represent the following sequence: 7,10,13,16

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  1. userneedinghelp12
    • 3 years ago
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    @UnkleRhaukus

  2. UnkleRhaukus
    • 3 years ago
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    the pattern is , they go up by the same amount each time

  3. userneedinghelp12
    • 3 years ago
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    okay. thatd be 3,no?

  4. UnkleRhaukus
    • 3 years ago
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    right,

  5. userneedinghelp12
    • 3 years ago
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    7n+3?

  6. userneedinghelp12
    • 3 years ago
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    It is in nth term,no?

  7. userneedinghelp12
    • 3 years ago
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    o no nvm

  8. UnkleRhaukus
    • 3 years ago
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    we want the expression to equal seven when n=1

  9. userneedinghelp12
    • 3 years ago
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    okay. so, .

  10. userneedinghelp12
    • 3 years ago
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    lemme think

  11. UnkleRhaukus
    • 3 years ago
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    (because the first term have to be in the sequence)

  12. userneedinghelp12
    • 3 years ago
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    yes

  13. userneedinghelp12
    • 3 years ago
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    ummmm

  14. userneedinghelp12
    • 3 years ago
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    ok, brb. lemme try something

  15. UnkleRhaukus
    • 3 years ago
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    when n=1, 7n+3= 7+3 =10 so that's not right

  16. cinar
    • 3 years ago
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    a(n)=3n+b a(1)=7 find b

  17. userneedinghelp12
    • 3 years ago
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    3n+4

  18. cinar
    • 3 years ago
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    good

  19. userneedinghelp12
    • 3 years ago
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    thanks,

  20. cinar
    • 3 years ago
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    np

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