Which statement justifies that 2x^2 + x - 3 multiplied by x^2 - 3x - 2 obeys the closure property of multiplication?

Question

camerondoherty · Answer

The result 2x^4 - 5x^3 - 10x^2 + 7x + 6 is a polynomial.

The result 2x^4 - 5x^3 - 10x^2 + 7x + 6 has a degree of 4.

The result 2x^4 - 3x^2 + 6 is a trinomial.

The result 2x^4 - 3x^2 + 6 has a degree of 4.

nincompoop · Answer

http://www.regentsprep.org/regents/math/algebra/an1/closure.htm

camerondoherty · Answer

Thanks c:

camerondoherty · Answer

I made A graph out of it and it looks like a trinomial... What do you think? http://prntscr.com/4aaqqh

tkhunny · Answer

What is the actual result when the two polynomials are multiplied?

camerondoherty · Answer

When you multiply 2 plynomials you get another polynomial @tkhunny

camerondoherty · Answer

So... A?

tkhunny · Answer

You didn't quite answer my question, but you did come to the conclusion where we were going.  Good work.