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Mathematics 21 Online
OpenStudy (anonymous):

can someone please help me with these question for a medal and fan?

OpenStudy (anonymous):

What are the parts that make up a polynomial expression and how are they used to classify polynomials? How are the properties of exponents used when multiplying or dividing two monomials? How is the distributive property used when finding the product of two polynomials?

OpenStudy (anonymous):

polynomial can be either classified by number of terms or by degree

OpenStudy (anonymous):

if by number of terms: This is a monomial \[3x^2\]and this is a binomial \[x^2 +2x\]

OpenStudy (anonymous):

3 terms = trinomial like \[x^2 +4x + 6\]

OpenStudy (anonymous):

anything above are just call polynomial

OpenStudy (anonymous):

ok so I understand how they are classified now thank you can you help with the other questions please

OpenStudy (anonymous):

if we are classifying it by degree

OpenStudy (anonymous):

\[2x^5\] is a 5th degree polymial and \[10x^2\] is a 2nd degree polynomial

OpenStudy (anonymous):

when you divide same numbers with different powers you can just minus off the power, i.e: \[\frac{ 2^{10} }{ 2^4 } = 2^{10-4} = 2^6\]

OpenStudy (anonymous):

its the same thing for multiply except you add the power

OpenStudy (anonymous):

\[3^5 \times 3^7 = 3^{5+7} = 3^{12}\]

OpenStudy (anonymous):

wait are you answering the second question

OpenStudy (anonymous):

yea

OpenStudy (anonymous):

I don't get it

OpenStudy (anonymous):

which part?

OpenStudy (anonymous):

I just don't understand the way that applies to the second question. could you try to re-explain it to me?

OpenStudy (anonymous):

It says properties of exponents used in multiplying or dividing monomial

OpenStudy (anonymous):

you understand whats an exponent?

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

and monomial?

OpenStudy (anonymous):

kinda could you explain that to me please

OpenStudy (anonymous):

its a polynomial with a single term like\[3x\]\[2x^4\]

OpenStudy (anonymous):

ok I get it

OpenStudy (anonymous):

you have learn multiplying/dividing indices yet?

OpenStudy (anonymous):

nope

OpenStudy (anonymous):

ok it looks something like this

OpenStudy (anonymous):

\[\frac{ 2^5 }{ 2^3 } = \frac{ 2 \times 2 \times 2 \times 2 \times 2 }{ 2 \times 2 \times 2 } \]

OpenStudy (anonymous):

then you realize you can cancel 3 of the 2s out in the fraction so it becomes 2 x 2 which is 2^2

OpenStudy (anonymous):

thats for dividing

OpenStudy (anonymous):

ok I get it but it still doesn't give an answer to the second question

OpenStudy (anonymous):

so in short you can just take the numerator power minus the denominator's one

OpenStudy (anonymous):

its asking you to use that property of exponent in monomial

OpenStudy (anonymous):

no its not it asking How are the properties of exponents used when multiplying or dividing two monomials?

OpenStudy (anonymous):

its behaves the same way

OpenStudy (anonymous):

as with normal integers

OpenStudy (anonymous):

ok can I have help with the last question please

OpenStudy (anonymous):

you know whats distributive property?

OpenStudy (anonymous):

distributive property is like \[y(5x+y) = 5xy + y^2\]

OpenStudy (anonymous):

as for the how part, we can multiply the terms from 1st polynomial with the 2nd

OpenStudy (anonymous):

\[(a+b)(x+y) = ax + ay + bx + by\]

OpenStudy (anonymous):

this pretty much explains it all

OpenStudy (anonymous):

you can understand that?

OpenStudy (anonymous):

no

OpenStudy (anonymous):

ill do it with numbers \[2(3 + 4) = 2(3) + 2(4)\]

OpenStudy (anonymous):

this is distributive property

OpenStudy (anonymous):

I understand that that's distributive property but I still don't understand how to answer the question how does this go together with finding the product of two polynomials

OpenStudy (anonymous):

When multiplying two polynomials together, we use the distributive property to multiply every term of one polynomial is multiplied times every term of the other polynomial then simplify your answer by combining any like terms.

OpenStudy (anonymous):

sounds good?

OpenStudy (anonymous):

yes thank you I was having the same problem trying to understand how what you said went together with the second question

OpenStudy (anonymous):

ikr i have no problem doing questions but explaining is hella hard

OpenStudy (anonymous):

could you just tell me the second question then so I can get this over with please

OpenStudy (anonymous):

im finding sites to copy paste from lel

OpenStudy (anonymous):

Exponents represent repeated multiplication, \[a \times a =a^2\]\[a^2 \times a^3 = (aa)(aaa) = a^{2+3} = a^5\]

OpenStudy (anonymous):

you understand everything so far?

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

i don't find any good paragraphs to copy paste so far, so you might need to demonstrate the properties

OpenStudy (anonymous):

I don't think I will be aloud to do that you don't know the answer?

OpenStudy (anonymous):

i don't know how to describe it

OpenStudy (anonymous):

When monomials include both a number and a variable, the number is called the coefficient. For example, in the monomial 8x2, 8 is the coefficient. The variables in a monomial can have whole number exponents, but no negative exponents. Just as numbers can be multiplied and divided, monomials with variables can also be multiplied and divided following the same rules.

OpenStudy (anonymous):

this might be the best i found so far

OpenStudy (anonymous):

thanks

OpenStudy (anonymous):

yw

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