Consider the term $6x^7$6x7.

What is the coefficient of $6x^7$6x7?

What is the index?

Consider the expression $9n^7$9n7.

Consider the expression $-8k^7-k$−8k7−k.

Consider the expression $t+4t^9-t^7$t+4t9−t7.

Investigate the concept of a polynomial and apply the factor and remainder theorems to solve problems.