document.write( "Question 946705: Write the standard form of the equation of the parabola that has the indicated vertex and passes through the given point. Vertex:(4, -1); point:(2,7) \n" ); document.write( "

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\n" ); document.write( "Write the standard form of the equation of the parabola that has the indicated vertex and passes through the given point. Vertex:(4, -1); point:(2,7)
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Vertex form of the equation of a parabola: 
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document.write( " ------ Substituting (4, - 1) for (h, k), and (2, 7) for (x, y)
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document.write( "7 = a(4) - 1
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document.write( "7 + 1 = 4a
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document.write( "8 = 4a
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document.write( "a = , or 2
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document.write( "Vertex form of the equation of this parabola: 
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document.write( "Standard form of the equation of this parabola:  \n" );
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