anonymous
  • anonymous
The partial sum of the first 6 terms of the arithmetic sequence with a1 = -6 and d = 4 is 24. True or False
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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Nnesha
  • Nnesha
do you know the formula to find other 5 terms of the sequence ?
anonymous
  • anonymous
i think i have it but im not sure how to type it here haha
Nnesha
  • Nnesha
oh okay \[\huge\rm a_n = a_1+(n-1)d\] d= common difference a_1=first term n= number of term so to find 2nd term substitute n for 2

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anonymous
  • anonymous
so i just plug the a1 and d into that equation and add them, correct?
Nnesha
  • Nnesha
a_1 = -6 d=4 so plug them into the equation solve the parentheses first and then multiply by 4(d) and then add with -6
Nnesha
  • Nnesha
like for 2nd term \[\huge\rm a_2 = -6+(\color{ReD}{2}-1)4\] solve the parentheses first 2-1=1 -6+1(4) -6+4 =-2 so 2nd term is -2 find other 4 and then combine them
anonymous
  • anonymous
i got the answer, thank you for your help again!

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