Question

The side of a square measures (3x − 6) units. Part A: What is the expression that represents the area of the square? Show your work to receive full credit. (4 points) Part B: What are the degree and classification of the expression obtained in Part A? (3 points) Part C: How does Part A demonstrate the closure property for polynomials? (3 points)

Answer 1

Part A: A=s^2, where s is the length of one side. Answer: (3x-6)^2.

Part B: (3x-6)^2 = 9x^2 -36x + 36 is a polynomial of the 2nd degree.