document.write( "Question 557034: what is not a perfect square trinomial? a) X^2 -6x-9 b) x^2-8x+16 c) x^2-2x+1 d) x^2+10x+25 If anyone could please be my toutor id really apprecate it. i Fell far behind in amth and i need to get caught up \n" ); document.write( "

Algebra.Com's Answer #362394 by solver91311(24713) $\"\"$ $\"About$

You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "A perfect square trinomial is the square of two binomials, thus:\r
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\n" ); document.write( "\n" ); document.write( "In the case of your four answers,

is a constant because the last term of all four of your trinomials is a constant. But no matter whether the sign is positive or negative, the two end terms in a perfect square trinomial must be positive -- plus times plus is plus or minus times minus is plus, right? One of your answers has a minus sign on the constant term.\r
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\n" ); document.write( "\n" ); document.write( "John
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\n" ); document.write( "My calculator said it, I believe it, that settles it
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