document.write( "Question 648932: The problem I need help with is: Find the coordinates of the vertex for the parabola defined by the given quadratic function. F(x)=7x^2+14x-3 \n" ); document.write( "

Algebra.Com's Answer #406854 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( "Find the coordinates of the vertex for the parabola defined by the given quadratic function. 
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document.write( "F(x)=7x^2+14x-3    |putting in Vertex form by completing the Square
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document.write( "F(x) = 7(x+1)^2 - 7 - 3
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document.write( "F(x) = 7(x+1)^2 - 10   V(-1,-10)
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document.write( "the vertex form of a Parabola opening up(a>0) or down(a<0),  
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document.write( "where(h,k) is the vertex  
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document.write( "Checking our Work
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document.write( "F(x) = 7(x+1)^2 - 10
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document.write( "F(x) = 7(x^2 + 2x + 1) - 10
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document.write( "F(x) = 7x^2 + 14x + 7 - 10
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document.write( "F(x) = 7x^2 + 14x -3 \n" );
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