Question

I'll fan and medal
Find an equation for the nth term of the arithmetic sequence.

a19 = -92, a20 = 6

Choices:
an = -1856 + 98(n - 1)
an = -1856 - 98(n - 1)
an = -1856 - 98(n + 1)
an = -1856 + 98(n + 1)

Answer 1

@sammixboo

Answer 2

@Hero @pooja195 @quickstudent PLEASE HELP

Answer 3

to find the common difference between one term and the next we do the calculation
a20 - a19 = 6-(-92) = ?

Answer 4

find a1 by the formula
\[a _{19}=a _{1}+(19-1)d\]