nlemitchell5 nlemitchell5
  • 01-05-2020
  • Mathematics
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Picture with question help plz

Picture with question help plz class=

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ChillMuse
ChillMuse ChillMuse
  • 01-05-2020

Let [tex]a_{1}[/tex] = -9, [tex]a_{2}[/tex] = -12 and so on.

-15 = -9 + (-6)

-15 = -9 + 2(-3)

Let -3 be the common difference, or d.

[tex]a_{n}[/tex] = -9 + n(-3)

    = -9 - 3n

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