Question
Find the degree of the polynomial. SUBMIT ANSWER Enter an exact number. Sr............... \( r^{4} s^{4}-3 r^{4} s^{5} \)
Ask by Davison Park. in the United States
Jan 24,2025
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Answer
The degree of the polynomial is 9.
Solution
The polynomial given is \( r^{4} s^{4} - 3 r^{4} s^{5} \).
To determine the degree of the polynomial, we look at each term and calculate the sum of the exponents of all variables in that term:
1. **First term:** \( r^4 s^4 \)
- Degree = 4 (from \( r^4 \)) + 4 (from \( s^4 \)) = **8**
2. **Second term:** \( -3 r^4 s^5 \)
- Degree = 4 (from \( r^4 \)) + 5 (from \( s^5 \)) = **9**
The degree of the polynomial is the highest degree among its terms, which is **9**.
**Answer:**
9
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Extra Insights
The degree of the polynomial is determined by the highest sum of the exponents in each term. In the given polynomial \( r^{4} s^{4} - 3 r^{4} s^{5} \), the first term \( r^{4} s^{4} \) has a degree of \( 4 + 4 = 8 \), and the second term \( -3 r^{4} s^{5} \) has a degree of \( 4 + 5 = 9 \). Therefore, the degree of the polynomial is 9.