document.write( "Question 1176544: Identify the coordinates of the vertex and focus, the equations of the axis of
\n" ); document.write( "symmetry and directrix, and the direction of opening of the parabola with
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Algebra.Com's Answer #803660 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi\r\n" );
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document.write( "the vertex form of a Parabola opening up(a>0) or down(a<0), \r\n" );
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document.write( "where(h,k) is the vertex  and  x = h  is the Line of Symmetry , \r\n" );
document.write( "the focus is (h,k + p), With Directrix y = (k - p), a = 1/(4p)\r\n" );
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document.write( "y = 2x^2 - 4x + 5 = 2(x-1)^2 -2 + 5 = 2(x-1)^2 +3\r\n" );
document.write( " y = 2(x-1)^2 +3\r\n" );
document.write( "a = 1/(4p) 0r p = 1/4a = 1/8\r\n" );
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document.write( "  V(1,3)  and x = 1 is the Line of Symmetry \r\n" );
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document.write( " F( 1, 3.125)   Directrix y = 3 - .125) = 2.875\r\n" );
document.write( "Wish You the Best in your Studies.\r\n" );
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