1. 

   math_celebrity Administrator Staff Member

   1, 9, 25, 49, .......... What is next
   
   1^2 = 1
   3^2 = 9
   5^2 = 25
   7^2 = 49
   
   So this pattern takes odd numbers and squares them. Our next odd number is 9:
   9^2 = 81

    

   math_celebrity, Apr 27, 2020

   #1
   
   

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