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Determine the quadratic function f whose graph is given. The vertex is (2,-1) and the other given point is (1,2)

 Mar 15, 2020
 #1
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y=a(x-2)2-1

 

2=a(1-2)2-1

 

2=a-1

 

3=a

 

y=3(x-2)2-1

 

y=3(x2-4x+4)-1

 

y=3x2-12x+11

 Mar 15, 2020

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