document.write( "Question 603438: Hello,\r
\n" ); document.write( "\n" ); document.write( "I need help please.....\r
\n" ); document.write( "\n" ); document.write( "Write a quadratic equation in the variable x having the given numbers as solutions. Type the equation in standard form -√ ̅7, 3 √ ̅7\r
\n" ); document.write( "\n" ); document.write( "Thanks so much \n" ); document.write( "

Algebra.Com's Answer #380704 by ankor@dixie-net.com(22740) $\"\"$ $\"About$

You can put this solution on YOUR website!
Write a quadratic equation in the variable x having the given numbers as solutions.
\n" ); document.write( " Type the equation in standard form -√ ̅7, 3 √ ̅7
\n" ); document.write( ":
\n" ); document.write( "Write a factor from each root
\n" ); document.write( "x = - $\"sqrt%287%29\"$
\n" ); document.write( "(x + $\"sqrt%287%29\"$ ) = 0
\n" ); document.write( "and
\n" ); document.write( "x = $\"3sqrt%287%29\"$
\n" ); document.write( "(x - $\"3sqrt%287%29\"$ ) = 0
\n" ); document.write( "FOIL
\n" ); document.write( "(x + $\"sqrt%287%29\"$ ) * (x - $\"3sqrt%287%29\"$ ) = 0
\n" ); document.write( ":
\n" ); document.write( "x^2 - $\"3sqrt%287%29\"$ x + $\"sqrt%287%29\"$ x - 3(7) = 0
\n" ); document.write( ":
\n" ); document.write( "y = x^2 - $\"2sqrt%287%29\"$ x - 21 \n" ); document.write( "

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