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24 April, 11:23

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?

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Answers (1)
  1. 24 April, 12:09
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    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.
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