## anonymous one year ago Identify the 42nd term of an arithmetic sequence where a1 = -12 and a27 = 66. 1) 70 2) 72 3) 111 4) 114

1. anonymous

@Here_to_Help15

2. anonymous

@ganeshie8

3. campbell_st

well you need to find the common difference a term in an arithmetic sequence is found using $a_{n} = a_{1} + (n -1) \times d$ you know the 27th term so n = 27 and you know the 1st term so $66 = -12 + (27 - 1) d$ you need to solve for d

4. anonymous

Thanks Hun ! God bless you !