Directions: Show all your work. Any answer with less than sufficient supporting work may be awarded less than full credit.

Part A – Simplifying Polynomials – Poly…What? After the discussion of polynomial operations in class, a classmate asked you about one of the problems. S/he informed you of still not understanding some things about polynomial. Review your classmates answer below. Explain whether or not the answer is correct. A good summary will include keywords such as term, monomial, degrees, combine like terms, integers, exponents, classification.

Classmate answer: (x2+ 3xy – 7) – (x2 – 2xy +4) = 2×2 +xy + 3