Consider the term $9x^8$9x8.
What is the coefficient of $9x^8$9x8?
What is the exponent?
Consider the expression $5y^3$5y3.
Consider the expression $-2a^3$−2a3.
Consider the expression $-5y^9-y$−5y9−y.
Understand that polynomials form a system analogous to the integers, namely, they are closed under the operations of addition, subtraction, and multiplication; add, subtract, and multiply polynomials. *[Limited to linear and quadratic functions.]