+0  
 
0
53
1
avatar+2218 

#1 Help

NotSoSmart  Mar 16, 2018
Sort: 

1+0 Answers

 #1
avatar+85821 
+1

1.  The first term is 7.....only one answer has a first term  = 7

 

2.

 

8, 6, 4 , 2

 

The difference  in the successive term  to the previous term  is -2

And the first term is 8

So we have

 

a1  = 8 , an  = an-1 - 2     ⇒  first answer

 

 

3.  

 

-3, 1, 5 ,9

 

an   =  -3  + 4(n - 1) ⇒  first answer

 

 

 

cool cool cool

CPhill  Mar 16, 2018

30 Online Users

avatar
avatar
avatar
avatar
We use cookies to personalise content and ads, to provide social media features and to analyse our traffic. We also share information about your use of our site with our social media, advertising and analytics partners.  See details