Answer :
To find the common ratio we divide the terms by the previous one. In this case we have:
[tex]-\frac{9}{3}=-3[/tex][tex]\frac{27}{-9}=-3[/tex][tex]-\frac{81}{27}=-3[/tex]Therefore, the common ratio is r=-3.
To find the common ratio we divide the terms by the previous one. In this case we have:
[tex]-\frac{9}{3}=-3[/tex][tex]\frac{27}{-9}=-3[/tex][tex]-\frac{81}{27}=-3[/tex]Therefore, the common ratio is r=-3.