Which statement justifies that 2x2 + x - 3 multiplied by x2 - 3x - 2 obeys the closure property of multiplication?

a. The result 2x4 - 5x3 - 10x2 + 7x + 6 is a polynomial.
b. The result 2x4 - 5x3 - 10x2 + 7x + 6 has a degree of 4.
c. The result 2x4 - 3x2 + 6 is a trinomial.
d. The result 2x4 - 3x2 + 6 has a degree of 4.

Question

Which statement justifies that 2x2 + x - 3 multiplied by x2 - 3x - 2 obeys the closure property of multiplication?


a. The result 2x4 - 5x3 - 10x2 + 7x + 6 is a polynomial.
b. The result 2x4 - 5x3 - 10x2 + 7x + 6 has a degree of 4.
c. The result 2x4 - 3x2 + 6 is a trinomial.
d. The result 2x4 - 3x2 + 6 has a degree of 4.

anonymous · Answer

1 think its either C or D

divinesolar · Answer

adj. adjective

    1. Consisting of three names or terms, as a taxonomic designation.
    2. Consisting of three terms.

divinesolar · Answer

Trinomial definition ^

divinesolar · Answer

2nd option

divinesolar · Answer

2nd option on the definition not question.

anonymous · Answer

yes 1 know what a trinomial is

divinesolar · Answer

adj. adjective

    1. Of, relating to, or consisting of more than two names or terms. 
That is a polynomial.

anonymous · Answer

a binomial has 2 and monomial has 1

divinesolar · Answer

Right, but a poly consists of more than 2 terms.

divinesolar · Answer

Out of the 2 answer you chose C or D what do you think fits best?

anonymous · Answer

C

divinesolar · Answer

I would agree, Keep in mind i am only one person so i could be wrong.

anonymous · Answer

What is the closure property of multiplication?

anonymous · Answer

@Nnesha