What are the degree and leading coefficient of the polynomial? $$ 23 u+18-u^{8}-6 u^{7} $$ Degree: Leading coefficient:

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To determine the degree and leading coefficient of the polynomial

$$
23u + 18 - u^8 - 6u^7,
$$

we follow these steps:

1. **Identify the degree of the polynomial**: The degree of a polynomial is the highest power of the variable $$ u $$ in the polynomial. In this case, the terms are:
   - $$ 23u $$ (degree 1)
   - $$ 18 $$ (degree 0)
   - $$ -u^8 $$ (degree 8)
   - $$ -6u^7 $$ (degree 7)

The highest degree among these terms is 8, which comes from the term $$ -u^8 $$.

2. **Identify the leading coefficient**: The leading coefficient is the coefficient of the term with the highest degree. In this polynomial, the term with the highest degree is $$ -u^8 $$, and its coefficient is -1.

Thus, we conclude:

- Degree: $$ 8 $$
- Leading coefficient: $$ -1 $$
Degree: 8 Leading coefficient: -1

What are the degree and leading coefficient of the polynomial? \[ 23 u+18-u^{8}-6 u^{7} \] Degree: Leading coefficient:

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