Answer the following questions on basic facts about polynomials in one variable.
a. (i) Define the following terms for a polynomial in one variable:
(a) term, (b) coefficient, (c) degree.
b. (ii) State what is meant by a zero polynomial.
c. (iii) For the expression p(x)=7x3−5x+9, determine its degree and state whether it is a monomial, binomial or trinomial.
d. (iv) The expression q(x)=6 is called a constant polynomial. Determine its degree and classify it as a monomial, binomial or trinomial.