Question

Write a formula for the nth term of the arithmetic sequence
1, -3, -7, - 11, - 15...
The formula for the nth term of the sequence is an

Answer 1

Answer:

Step-by-step explanation:

$a_{1}=1\\d=-3-1=-4\\a_{n}=a_{1}+(n-1)d\\a_{n}=1+(n-1)(-4)\\a_{n}=1-4n+4\\a_{n}=5-4n$