document.write( "Question 180322: TRANSLATE THE FOLLOWING INTO A QUADRATIC EQUATION AND SOLVE IT. THE LENGTH OF A RECTANGULAR GARDEN IS FOUR TIMES ITS WIDTH, IF THE AREA OF THE GARDEN IS 196 SQUARE METERS, WHAT ARE ITS DIMENSIONS? This is the answer that I got, please tell me what I did wrong....\r
\n" ); document.write( "\n" ); document.write( "Width is X
\n" ); document.write( "Length is 4X
\n" ); document.write( "Area is 196\r
\n" ); document.write( "\n" ); document.write( "X(4X) = 196
\n" ); document.write( " 4X² = 196 subtract 196 from each side to get zero on one side
\n" ); document.write( " 4X² - 196 = 0
\n" ); document.write( " (2X – 14)(2X +14) solve by factoring a difference of squares
\n" ); document.write( " 2X - 14=0 2X + 14=0 solving the 2 equations separately
\n" ); document.write( " 2X=14 2X= -14
\n" ); document.write( " X=7 X= -7\r
\n" ); document.write( "\n" ); document.write( "Check: x(4x) =196
\n" ); document.write( " 7(4.7) =196
\n" ); document.write( " 7(28) = 196
\n" ); document.write( " 196 = 196
\n" ); document.write( "
\n" ); document.write( "Dimensions of rectangle are: \r
\n" ); document.write( "\n" ); document.write( "Width is 7
\n" ); document.write( "Length is 28
\n" ); document.write( " \n" ); document.write( "

Algebra.Com's Answer #135142 by stanbon(75887) $\"\"$ $\"About$

You can put this solution on YOUR website!
It looks good to me.
\n" ); document.write( "Is there something you do not like about it?
\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H. \n" ); document.write( "

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