+0  
 
+1
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pls help me answer this question...

 Sep 26, 2019
 #1
avatar+106993 
+2

It is a concave down parabola

the vertex is (2,3)

so

\((x-2)^2=4a(y-2) \qquad where\;\; a<0\)

 

It appears to pass through (-3,0)

Sub this point in to get the value of a.

Then you will have your equation.

 Sep 26, 2019

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