The base of a triangle measures (2x+7) units and the height measures (4x+6) units.

Part A - what is the expression that represents the area of the triangle? Show your work to receive full credit Hint: Area=0.5bh

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?

Question

Mathematics

Rogers

11 November, 20:36

The base of a triangle measures (2x+7) units and the height measures (4x+6) units.

Part A - what is the expression that represents the area of the triangle? Show your work to receive full credit Hint: Area=0.5bh

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?

+5

Answers (1)

Know the Answer?

Eric Roberson · Answer 1

A. Area = 0.5 * (2x+7) (4x+6)

= 0.5 (8x^2 + 40x + 42)

= 4x^2 + 20x + 21

B. This expression is a trinomial of degree 2.

C Because when the 2 polynomials were multiplied the result was another polynomial.