Question

find the common ratio of 7,-7/3,7/9​

Answer 1

Answer:

$Common Ratio = \frac {-1}{3}$

Step-by-step explanation:

$7, \frac{-7}{3}, \frac{7}{9}\\Common Ratio = r = \frac{a_{2} }{a_{1}} \\= \frac{\frac{-7}{3} }{7} \\= \frac{-7}{3 * 7} \\\\\\= \frac {-1}{3}$