Question

(07.01, 07.06)

A rectangle has sides measuring (3x + 5) units and (6x + 11) units.
Part A: What is the expression that represents the area of the rectangle? Show your work to receive full credit.
Part B: What are the degree and classification of the expression obtained in Part A?
Part C: How does Part A demonstrate the closure property for polynomials?

Answer 1

area = 18x² + 63x + 55 square units

Second-degree trinomial.

Explanation:

area = (3x+5)(6x+11) = 18x² + 63x + 55 square units

Second-degree trinomial.

Explanation: