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A rectangle has a length of x-8 and a width of x-9. Which equation below describes the perimeter, P, of the rectangle in terms of x?

a. P=x² - 17x+72
b. P=x-17
c. P = 2x-17
d. P = 4x - 34

*show your work*

User Kowser
by
6.6k points

1 Answer

3 votes

Answer:

d.

Explanation:

Given a length
l and a width
w, we can express the perimeter of a rectangle as
2(l+w).

Therefore the perimeter
P can be expressed as


2*[(x-8)+(x-9)]\\=2*(2x-17)\\=4x-34

User Giorashc
by
7.0k points