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OpenStudy (anonymous):
Given the expression –10p2q + 7p3q – 5q, do the following as instructed below:
A. Write the polynomial in descending order.
B. Classify the polynomial by the number of terms
C. State the degree of the polynomial.
OpenStudy (itsmichelle29):
????
OpenStudy (itsmichelle29):
ohh
OpenStudy (anonymous):
I just need help with B and C
OpenStudy (welshfella):
there are 3 terms
so its a tri - something
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OpenStudy (anonymous):
trinomial
OpenStudy (welshfella):
right
OpenStudy (welshfella):
and the degree is the highest exponent
OpenStudy (anonymous):
Is it 8?
OpenStudy (welshfella):
in a particular term
for example
6pq has degree 2
2p5q = degree 6
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OpenStudy (anonymous):
do I add up the degrees?
OpenStudy (welshfella):
No not 8
look at each variable and add up the exponents
OpenStudy (welshfella):
5q is only 1 degree
OpenStudy (welshfella):
because its q^1
OpenStudy (welshfella):
ignore the numbers before the variables
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OpenStudy (anonymous):
So it would be eight because p^2=2 and q=1 and p^3=3 right?
OpenStudy (anonymous):
I miss counted I actually got nine.
OpenStudy (welshfella):
No - you don't add up the exponents in all the terms you find the term which has the highest count of exponents Thats the degree
OpenStudy (anonymous):
So 7p^3q
OpenStudy (welshfella):
for example
the trinomial
x^2y + y^2 + y
has degree 3
because x^2 y has 2+1 = 3 exponents
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