document.write( "Question 180302This question is from textbook Algebra I
\n" ); document.write( ": The directions say: Solve each equation by graphing. If integral roots cannot be found, estimate the roots by stating the consecutive integers between which the roots lie.\r
\n" ); document.write( "\n" ); document.write( "The problem is written as\r
\n" ); document.write( "\n" ); document.write( " $\"x%5E2%2B6x=-7\"$ \n" ); document.write( "

Algebra.Com's Answer #135162 by josmiceli(19441) $\"\"$ $\"About$

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$\"x%5E2+%2B+6x+=+-7\"$
\n" ); document.write( " $\"x%5E2+%2B+6x+%2B+%286%2F2%29%5E2+=+-7+%2B+%286%2F2%29%5E2\"$
\n" ); document.write( " $\"%28x+%2B+3%29%5E2+=+-7+%2B+9\"$
\n" ); document.write( " $\"%28x+%2B+3%29%5E2+=+2\"$
\n" ); document.write( "Take the square root of both sides
\n" ); document.write( " $\"x+%2B+3+=+sqrt%282%29\"$
\n" ); document.write( " $\"x+=+sqrt%282%29+-+3\"$
\n" ); document.write( " $\"x+=+1.414+-+3\"$
\n" ); document.write( " $\"x+=+-1.586\"$
\n" ); document.write( "and
\n" ); document.write( " $\"x+%2B+3+=+-%28sqrt%282%29%29\"$
\n" ); document.write( " $\"x+=+-%28sqrt%282%29%29+-+3\"$
\n" ); document.write( " $\"x+=+-4.414\"$
\n" ); document.write( "graphing:
\n" ); document.write( " $\"+graph%28+500%2C+500%2C+-10%2C+10%2C+-10%2C+10%2C+x%5E2+%2B+6x+%2B+7%29+\"$
\n" ); document.write( "One root lies between -1 and -2
\n" ); document.write( "The other root lies between -4 and -5
\n" ); document.write( " \n" ); document.write( "

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