document.write( "Question 175622: Graph each function in standard form. State the vertex and axis of symmetry.\r
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document.write( "1.) y = 2x^2 + 8x - 3\r
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document.write( "2.) y = -0.5x^2 + 5 \n" );
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Algebra.Com's Answer #130713 by stanbon(75887) ![]() You can put this solution on YOUR website! Graph each function in standard form. State the vertex and axis of symmetry. \n" ); document.write( "1.) y = 2x^2 + 8x - 3 \n" ); document.write( "y+3+? = 2(x^2+4x + ?) \n" ); document.write( "Complete the square to get: \n" ); document.write( "2(x^2 + 4x + 4) = y + 3 + 2*4 \n" ); document.write( "2(x+2)^2 = y +11 \n" ); document.write( "------------ \n" ); document.write( "Vertex: (-2,-11) \n" ); document.write( "Axis: x = -2 \n" ); document.write( " \n" ); document.write( "------------------------\r \n" ); document.write( "\n" ); document.write( "2.) y = -0.5x^2 + 5 \n" ); document.write( "-0.5x^2 = y-5 \n" ); document.write( "The square is already complete because x^2 = (x+0)^2 \n" ); document.write( "-------- \n" ); document.write( "Vertex: (0,5) \n" ); document.write( "Axis: x = 0 \n" ); document.write( " \n" ); document.write( "================================================= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H.\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |