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Math

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PROBLEM

Identify the degree of the terms and the degree of the polynomial.
2ab98a7+8b262 a b^{9}-8 a^{7}+8 b^{2}-6 What is the degree of the first term, 2ab92 a b^{9} ?
\square

STEP 1

1. The degree of a term in a polynomial is the sum of the exponents of the variables in that term.
2. The degree of a polynomial is the highest degree of any term in the polynomial.

STEP 2

1. Identify the degree of each term in the polynomial.
2. Determine the degree of the polynomial.
3. Identify the degree of the first term, 2ab92ab^9.

STEP 3

Identify the degree of each term in the polynomial:
- For the term 2ab92ab^9, the degree is the sum of the exponents of aa and bb. Here, aa has an exponent of 1 and bb has an exponent of 9.
Degree of 2ab9=1+9=10 \text{Degree of } 2ab^9 = 1 + 9 = 10

STEP 4

- For the term 8a7-8a^7, the degree is the exponent of aa, which is 7.
Degree of 8a7=7 \text{Degree of } -8a^7 = 7

STEP 5

- For the term 8b28b^2, the degree is the exponent of bb, which is 2.
Degree of 8b2=2 \text{Degree of } 8b^2 = 2

STEP 6

- For the constant term 6-6, the degree is 0 because there are no variables.
Degree of 6=0 \text{Degree of } -6 = 0

STEP 7

Determine the degree of the polynomial by identifying the highest degree among all the terms:
The degrees of the terms are 10, 7, 2, and 0. The highest degree is 10.
Degree of the polynomial=10 \text{Degree of the polynomial} = 10

SOLUTION

Identify the degree of the first term, 2ab92ab^9:
As calculated earlier, the degree of 2ab92ab^9 is 10.
Degree of the first term=10 \text{Degree of the first term} = \boxed{10} The degree of the first term, 2ab92ab^9, is 10 \boxed{10} .

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