Question

8 is a polynomial? why

Answer 1

Polynomial. Number of terms. Some examples. Monomial. 1. 2, x, 5x3. Binomial. 2. 2x + 5, x2 - x, x - 5. Trinomial. 3. x2+ 5x + 6, x5 - 3x + 8 ...

Answer 2

because 8 can be represented as
$8 \times {x}^{0}$
${x}^{0} = 1$
so any integer is a polynomial of x with 0 degree