Question

What is the common ratio of the geometric sequence: -1/12.-1/2,-3,18,...

Answer 1

$\frac{1}{6}$ : Common ratio

Check:
=$-\frac{1}{12}$ ÷ $\frac{1}{6}$
=$-\frac{1}{12}$ × 6
=$-\frac{1}{2}$

=$-\frac{1}{2}$ ÷ $\frac{1}{6}$
=$- \frac{1}{2}$ × 6
=-3