What is the missing term, x, in the pattern?

5, x, 45, –135, 405

A.
–15

B.
–9

C.
10

D.
15

I've ALWAYS been bad at this type of math, seeing as I'm a slow learner and tend to forget about a lot of stuff. Please help? :(

Question

What is the missing term, x, in the pattern? 
 
5, x, 45, –135, 405

 A.
–15
 
 B.
–9
 
 C.
10
 
 D.
15

I've ALWAYS been bad at this type of math, seeing as I'm a slow learner and tend to forget about a lot of stuff. Please help? :(

ganeshie8 · Answer

hint :  
45(-3) = -135
-135(-3) = 405

ganeshie8 · Answer

so each next term is getting multiplied by -3 eh ?