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write an equation, in vertex form,for the parabola with the given vertex that passes through the given point.

vertex (-1,5); point (2,-4)

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Parviz F. | Mathematics professor at Community CollegesMathematics professor at Community Colle...
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f( X) = K ( X +1 ) 2   + 5
 
 -4 = K ( 3 )2 + 5 
- 9 = K ( 9) 
   K = -1
 
 f( X) = - ( X + 1 ) 2  + 5 
         =  - X2 - 2X +4