What is a Geometric Sequence? Geometric Sequences What is a Geometric Sequence? A sequence is geometric when the ratios of consecutive terms are the same. Tip The common ratio is always the quotient between two consecutive terms. Is this a geometric sequence? 1. 6, 12, 24, 48, … Answer Yes, r = 2. 2. 1, 8, 27, 64 Answer No. 3. , …. Answer No. 4. … Answer Yes, 5. … Answer Yes, Find the missing term in the geometric sequence 1. 2, ____, 32, 128, Answer 8, 2. -4, _____, ______, 32, -64, 128, ____ Answer 8, -16, -256 3. , ____ Answer 4. ____ Answer