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Mathematics 7 Online
OpenStudy (anonymous):

Write the polynomial in standard form, and give the degree: 3x^4 - 2x^5 + 10x^3 - 4x + 2

jimthompson5910 (jim_thompson5910):

Standard form is where all of the exponents decrease in value. Example 7x^8 + 20x^5 - 23x^3 + 10x

jimthompson5910 (jim_thompson5910):

The degree is equal to the largest exponent.

OpenStudy (anonymous):

ok

jimthompson5910 (jim_thompson5910):

Notice how the exponents decrease: 8 ---> 5 ---> 3 ---> 1

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

so how would I solve

OpenStudy (anonymous):

the answer for the standard form is -2x^5+3x^4+10x^3-4x+2

jimthompson5910 (jim_thompson5910):

3x^4 - 2x^5 + 10x^3 - 4x + 2 is really 3x^4 - 2x^5 + 10x^3 - 4x^1 + 2x^0 the exponents are (in order): 4, 5, 3, 1, 0 are the exponents decreasing?

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

at what degree

OpenStudy (anonymous):

5 or 13?

OpenStudy (anonymous):

5

OpenStudy (anonymous):

why

OpenStudy (anonymous):

so 15?

jimthompson5910 (jim_thompson5910):

when dealing with single variable polynomials degree = largest exponent

OpenStudy (anonymous):

i mean 13?

OpenStudy (anonymous):

the degree is 5

OpenStudy (anonymous):

IS IT

OpenStudy (anonymous):

5 @jim_thompson5910

jimthompson5910 (jim_thompson5910):

yes, it's 5

jimthompson5910 (jim_thompson5910):

where are you getting 13?

OpenStudy (anonymous):

I think her answer choices for the degree were 5 & 13? @jim_thompson5910

jimthompson5910 (jim_thompson5910):

i see

OpenStudy (anonymous):

????

OpenStudy (anonymous):

ok its 5 thanks

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