We use cookies to personalise content and advertisements and to analyse access to our website. Furthermore, our partners for online advertising receive pseudonymised information about your use of our website.
Please click on "Accept cookies" if you agree to the setting of cookies. Cookies that do not require consent remain unaffected by this, see
cookie policy and privacy policy.
DECLINE COOKIES

The side of a square measures (4x − 7) 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?

Part C: How does Part A demonstrate the closure property for polynomials?

I know what the answers are, but still need a little more guidance.

quilly Apr 2, 2018

#2**+2 **

A) The area is just (4x - 7) (4x - 7) = 16x^2 - 56x + 49

B) We have a polynomial of degree 2 (a quadratic)

C) Polynomials are "closed" under multiplication because any two (or more) polynomials multiplied together always produces another polynomial

("Closure" means that any operation(s) done on like objects always produces another like object )

CPhill Apr 2, 2018