GEOMETRIC SEQUENCE

What is the common ratio of a geometric progression {64, -32, 16, -8,...}?

• -2

• 2

What is the common ratio of a geometric progression {4, 12, 36, 108, ...}?

• 3

• 2

• 1

Find the 18th term of a geometric sequence {2, -6, 18, -54,...}.

• -258 280 326

• -86 093 442

• 258 280 326

• 774 840 978

• -3

• 3

The third term(a3) of a geometric sequence is 32 and the sixth term(a6) is 864. Find the 10th term. Write your answer without space.

Supposedly you are depositing ₱30 000 in a local bank that offers 5% interest compounded annually. How much money will you have after 5 years?

 

• 38 288. 4468

• 36 465.1875

• 36 288.1875

• 38 288. 1875

A car that costs 3 000 000 depreciates 20% in value each year for the first 5 years. How much does it cost after 5 years?

• 1 228 800

• 983 040