Write a function of the form Y=ax^2+c whose graph passes through the two given points (2,1),(5,-20)

1 answer

1. 1=4a+c from the first point.
   -20=25a+c frm the second point
   
   subtract equation1 from equation 2
   
   -21=21a
   a=-1
   
   then c= 5
   
   Y=-x^2+5

   Answer ID
   539162

   Created
   April 29, 2011 5:31pm UTC

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   URL
   https://questions.llc/answers/539162