document.write( "Question 610137: HELP! I have been working on this for a long time and keep getting wrong answers.\r
\n" ); document.write( "\n" ); document.write( "I need to write an equation in vertex form when I know that I the vertex at
\n" ); document.write( "(-2,4)and a point (3,-1). I have gotten an answer of: f(x)=1/5(x-2)^2 + 4 but this is wrong.\r
\n" ); document.write( "\n" ); document.write( "Thanks so much! \n" ); document.write( "

Algebra.Com's Answer #384158 by ewatrrr(24785) $\"\"$ $\"About$

You can put this solution on YOUR website!

 
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document.write( "Hi, 
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document.write( "Yes, Using the Vertex Form for a Parabola Opening Up and Down: y = a(x-h)^2 + k Does not work
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document.write( "Using the vertex form of a parabola opening right and left,  where(h,k) is the vertex
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document.write( "V(-2,4);P(3,-1) 
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document.write( " x = a(y-4)^2 -2
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document.write( "3 = a(-5)^2 -2
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document.write( " 5/25 = a
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document.write( " 1/5 = a
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document.write( ",this is the Vertex form for parabola opening right and or left ( in this case >0, opens right.   
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