Question

which of the following choices is the simple formula for the nth term of the following arithmetic sequence? 5,1,-3,-7,-11,..

Answer 1

Best Answer: E, you should really stop using the Internet to do your homework, just plug 1 in for n and you get five, 2 for n you get 1 and so on

Answer 2

E.-4n + 9

verifying
n = 1 -> -4(1) + 9 = 5
n = 2 -> -4(2) + 9 = 1
n = 3 -> -4(3) + 9 = -3
n = 4 -> -4(4) + 9 = -7
n = 5 -> -4(5) + 9 = -11