document.write( "Question 194618: I actually have five questions. \r
\n" );
document.write( "
\n" );
document.write( "\n" );
document.write( "1.) What number should be added to the expression x2 + 4x to change it into a perfect square trinomial?\r
\n" );
document.write( "
\n" );
document.write( "
\n" );
document.write( "\n" );
document.write( "2.) What number should be added to the expression x2 + 12x to change it into a perfect square trinomial?\r
\n" );
document.write( "
\n" );
document.write( "
\n" );
document.write( "
\n" );
document.write( "
\n" );
document.write( "
\n" );
document.write( "\n" );
document.write( "3.)Solve the following equation by transforming it into a perfect square trinomial.\r
\n" );
document.write( "\n" );
document.write( "x2 - 14x = 15\r
\n" );
document.write( "
\n" );
document.write( "
\n" );
document.write( "
\n" );
document.write( "
\n" );
document.write( "\n" );
document.write( "4.)Solve the following equation by transforming it into a perfect square trinomial.\r
\n" );
document.write( "\n" );
document.write( "3x2 + 18x = 21\r
\n" );
document.write( "
\n" );
document.write( "
\n" );
document.write( "
\n" );
document.write( "
\n" );
document.write( "\n" );
document.write( "5.) Solve the following equation by transforming it into a perfect square trinomial.\r
\n" );
document.write( "\n" );
document.write( "x2 - 2x = 3
\n" );
document.write( " \n" );
document.write( "
Algebra.Com's Answer #146010 by Mathtut(3670)![]() ![]() ![]() You can put this solution on YOUR website! .) What number should be added to the expression x2 + 4x to change it into a perfect square trinomial? \n" ); document.write( ": \n" ); document.write( "take 1/2 of the coefficient of the x term and square it \n" ); document.write( ": \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "2.) What number should be added to the expression x2 + 12x to change it into a perfect square trinomial? 1/2 of 12 =6 and 6 squared is 36 \n" ); document.write( ": \n" ); document.write( " \n" ); document.write( ": \n" ); document.write( " \n" ); document.write( ":\r \n" ); document.write( "\n" ); document.write( "3.)Solve the following equation by transforming it into a perfect square trinomial. \n" ); document.write( "x2 - 14x = 15 \n" ); document.write( "1/2(14)=7 and 7 squared is 49....so if we add 49 inside the parenthesis then we mus subtract 49 outside the parenthesis to keep equation equivilet \n" ); document.write( ": \n" ); document.write( " \n" ); document.write( ": \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "4.)Solve the following equation by transforming it into a perfect square trinomial. \n" ); document.write( "3x2 + 18x = 21 \n" ); document.write( ": \n" ); document.write( " \n" ); document.write( ": \n" ); document.write( " \n" ); document.write( ": \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "5) Solve the following equation by transforming it into a perfect square trinomial. \n" ); document.write( "x2 - 2x = 3 \n" ); document.write( ": \n" ); document.write( "take 1/2(2)=1 and 1 squared is 1 \n" ); document.write( ": \n" ); document.write( " \n" ); document.write( ": \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |