anonymous
  • anonymous
PLEASE HELP!!!!! Given the expression 5a^2b – 13ab + 7a^3 – 4b, a. Write the polynomial in descending order. b. Classify the polynomial by the number of terms. c. State the degree of the polynomial.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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CGGURUMANJUNATH
  • CGGURUMANJUNATH
7a^3+5a^2b-13ab-4b
CGGURUMANJUNATH
  • CGGURUMANJUNATH
powers should decrease - decreasing
CGGURUMANJUNATH
  • CGGURUMANJUNATH
*order

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More answers

anonymous
  • anonymous
how do you know that 7a^3 goes first, and not 5a^2b ?
triciaal
  • triciaal
|dw:1440877335943:dw|
anonymous
  • anonymous
I know, but b has one power two, so wouldn't 7a^3 and 5a^2b be the same?
anonymous
  • anonymous
*too
CGGURUMANJUNATH
  • CGGURUMANJUNATH
a^3 has power 3 ; a^2b has 2+1=3 power
anonymous
  • anonymous
right, so how do you know which one should go first?
CGGURUMANJUNATH
  • CGGURUMANJUNATH
5a^2b+7a^3-13ab-4b is also correct ! :)
anonymous
  • anonymous
oh, ok.
CGGURUMANJUNATH
  • CGGURUMANJUNATH
:)
anonymous
  • anonymous
so, for b., would this just be called a polynomial since there isn't really a term for polynomials of 4 terms?
CGGURUMANJUNATH
  • CGGURUMANJUNATH
http://www.purplemath.com/modules/polydefs.htm
anonymous
  • anonymous
so what do I say for b? just polynomial?
triciaal
  • triciaal
no it ask for the number of terms
anonymous
  • anonymous
what?
CGGURUMANJUNATH
  • CGGURUMANJUNATH
polynomial with degree 3
triciaal
  • triciaal
sorry that is a weird question already know it is a polynomial
triciaal
  • triciaal
polynomials can be classified by degree or number of terms
CGGURUMANJUNATH
  • CGGURUMANJUNATH
b) polynomial with 4 terms . c) degree 3
anonymous
  • anonymous
okay. thanks guys :)
triciaal
  • triciaal
you are welcome
CGGURUMANJUNATH
  • CGGURUMANJUNATH
:)

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