You need to log-in or subscribe in order to use Student access.

P.o.t.W. #11

■ No GDC ■The first, fourth and eighth terms of an arithmetic sequence are also three consecutive terms of a geometric sequence. If the eight terms of the arithmetic sequence have a sum of 900, find the two possible arithmetic sequences that satisfy these characteristics.

To access the entire contents of this site, you need to log in or subscribe to it.

Alternatively, you can request a one month free trial.