document.write( "Question 1099077: Determine all integral values of \"k\" so that each trinomial can be factored
\n" ); document.write( "X^2 + kx - 9 \n" ); document.write( "

Algebra.Com's Answer #713470 by josgarithmetic(39617) $\"\"$ $\"About$

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Ways to make product $\"-9\"$ using integers:
\n" ); document.write( " $\"system%28-1%2A9%2C-9%2A1%2C-3%2A3%29\"$ \r
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\n" ); document.write( "\n" ); document.write( "Quadratic Trinomials using those:
\n" ); document.write( " $\"%28x-1%29%28x%2B9%29=x%5E2%2B8x-9\"$
\n" ); document.write( " $\"%28x%2B1%29%28x-9%29=x%5E2-8x-9\"$
\n" ); document.write( " $\"cross%28%28x-3%29%28x%2B3%29=x%5E2%2B0x-9%29\"$ but this is not a trinomial.\r
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\n" ); document.write( "\n" ); document.write( " $\"highlight%28system%28k=-8%2COR%2Ck=8%29%29\"$ \n" ); document.write( "

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