Question

Am = a1 + (n-1)d

Find the 25th term of the arithmetic sequence -17, -25, -33, -41, ...
O-209
0 -307
0-259
0-257

Answer 1

a1=-17,n=25,d=-33--25=-33+25=-8

Am=-17+(25-1)×-8=-17-24×8=-17-192=-209