document.write( "Question 1176629: Find the quadratic function y=f(x) whose graph has a vertex (-2,4) and passes through the point (-6,0). Write the function in standard form. \n" ); document.write( "

Algebra.Com's Answer #803812 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi\r
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document.write( "Using the vertex form of a parabola,  where(h,k) is the vertex
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document.write( "Vertex (-2,4) 
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document.write( " y = a(x+2)^2 + 4 
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document.write( "P(-6,0)
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document.write( "0 = 16a+ 4
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document.write( "-4/16 = a  = -.25\r
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document.write( ", the vertex form of a parabola\r
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document.write( "As to Standard form (If necessary):
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document.write( " y =-.25(x^2 + 4x + 4) + 1 =-.25x^2 - x - 1 + 4 = -.25x^2 - x + 3
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