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Mathematics 7 Online
OpenStudy (anonymous):

27 - 8a^4 +2a - 6a^2 Arrange the terms of the polynomial in descending powers of a.

OpenStudy (anonymous):

Can someone help me out?

OpenStudy (cwrw238):

which term has the highest power of a? the power is the number after the ^. for example the power of a in a^3 is 3

OpenStudy (anonymous):

8a^4

OpenStudy (cwrw238):

well nearly right its -8a^4

OpenStudy (cwrw238):

now look for the next lowest after ^4

OpenStudy (cwrw238):

- dont forget the sign before the term

OpenStudy (cwrw238):

its -6a^2 right?

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

2a

OpenStudy (cwrw238):

so we got -8a^4 - 6a^2 - then + 2a and finally + 27

OpenStudy (anonymous):

ok

OpenStudy (cwrw238):

yw

OpenStudy (anonymous):

Thanks for your help @cwrw238

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