document.write( "Question 628056: Find the value of k if f(x) =x^2+kx-35 has x= 5 as a 'root. \n" ); document.write( "

Algebra.Com's Answer #395331 by reviewermath(1029) $\"\"$ $\"About$

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Substitute x = 5 and solve for k.
\n" ); document.write( " $\"5%5E2+%2B+5k+-+35+=+0\"$
\n" ); document.write( " $\"5k+=+10\"$
\n" ); document.write( " $\"highlight%28k+=+2%29\"$ \n" ); document.write( "

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