document.write( "Question 745603: Complete the square as an aid in graphing: SHOW ALL WORK\r
\n" ); document.write( "\n" ); document.write( "y = -x^2 + 4x + 1 \n" ); document.write( "

Algebra.Com's Answer #453928 by stanbon(75887) $\"\"$ $\"About$

You can put this solution on YOUR website!
Complete the square as an aid in graphing: SHOW ALL WORK
\n" ); document.write( "y = -x^2 + 4x + 1
\n" ); document.write( "--------
\n" ); document.write( "y = -(x^2 -4x+ ?)+1 + ?
\n" ); document.write( "----------------------------
\n" ); document.write( "y = -(x^2 - 4x + ?) +1 + ?
\n" ); document.write( "-----
\n" ); document.write( "y = -(x^2-4x+4) 1 + 4
\n" ); document.write( "----
\n" ); document.write( "y = -(x-2)^2 + 5
\n" ); document.write( "---------------------
\n" ); document.write( "Vertex at (2,5)
\n" ); document.write( "Opening downward because of the \"-\" coefficient on (x-2)^2
\n" ); document.write( "-----
\n" ); document.write( " $\"graph%28400%2C400%2C-10%2C10%2C-10%2C10%2C-x%5E2%2B4x%2B1%29\"$
\n" ); document.write( "====================
\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
\n" ); document.write( " \n" ); document.write( "

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