Question

Please help me i have the pic below: find the 27th term given the function an=-10+(n-1)(-2)

Answer 1

• a_n=-10-2(n-1)

So

a_27

• -10-2(26)
• -10-52
• -62

Option D

Answer 2

-62

Explanation:

Plug 27 into the equation

a27=-10+(27-1)(-2)

27-1=26

26 times -2 = -52

-52-10=-62