# Algebra 1

The width (w) of a rectangular pool is x+4. The area (A) of the pool is 2x^3 - 29x + 12. What is an expression for the length of the pool?
A. 2x^2 + 8x + 3
B. 2x^2 - 8x - 3
C. 2x^2 - 8x + 3
D. 2x^2 + 8x - 3

1. 👍
2. 👎
3. 👁
1. I really need help with this if anybody has any idea I would really appreciate it!

1. 👍
2. 👎
2. A = L * W,
A = L*(x + 4) = 2x^3 - 29x + 12,
L = (2x^3 - 29x + 12)/(x+4),
Use long-hand division,
L = 2x^2 - 8x + 3.

1. 👍
2. 👎
3. Thank you so so much Henry!

1. 👍
2. 👎
4. does anyone have the answers to the whole test? i need them or i may fail D:

1. 👍
2. 👎
5. Rational Expressions and Functions Unit Test part 1 answer REEEE

1. 👍
2. 👎

## Similar Questions

1. ### algebra

A rectangular swimming pool is twice as long as it is wide. A small walkway surrounds the pool. The walkway is a constant 2 feet wide and has an area of 196 square feet. Find the dimensions of the pool.: *

2. ### algebra 2

an empty swimming pool is shaped like a rectangular prism with a length of 18 feet and width of 9 feet. Once water begins to be pumped into the pool, the depth of the water increases at a rate of 0.5 foot hour. write a function

3. ### Math

A rectangular pool measuring 6 feet by 12 feet is surrounded by a walkway. The width of the walkway is the same on all four sides of the pool. If the total area of the walkway and pool is 520 square feet, what is the number of

4. ### Algaebra

A rectangular swimming pool is 5 feet longer than it is wide. If a concrete walk 2 feet wide is placed around the pool, the area covered by the pool and the walk is 156 square feet greater than the area covered by the pool alone.

1. ### Math

A rectangular swimming pool is bordered by a concrete patio. The width of the patio is the same on every side. The area of the surface of the pool is equal to the area of the patio. What is the width of the patio? (Length of Pool:

2. ### algrebra 1

The area of a rectangle is 128 in². If the length is twice the width, what is the length of the rectangle? A) 64 in. B) 16 in. C) 8 in. D) 4 in. The length of a swimming pool is 22 ft. The width is 40 ft. If the volume of the

3. ### Math

The length of a rectangular pool is to be four times its width, and a sidewalk 6 feet wide will surround the pool. If a total area of 1440 𝑓𝑡 2 has been set aside for construction, what are the dimensions of the pool?

4. ### geometry

the perimeter of a rectangular swimming pool is 40 ft. the length of the pool is 12 ft. what is the area of the pool

1. ### math

The perimeter of a rectangular pool is 84 feet. The width of the pool is half the length. What are the measurements of the rectangular pool?

2. ### mathematics

A rectangular swimming pool is 10m wide and 15m long. The pool is surrounded by a deck of uniform width, whose area is equal to the area of the pool. How wide is the deck?

3. ### Algebra

A rectangular swimming pool is twice as long as it is wide. A small concrete walkway surrounds the pool. The walkway is a constant 2 feet wide and has an area of 196 square feet. Find the dimensions of the pool.

4. ### To ; Ms sue or other math helpers

A rectangular pool has a length 2m shorter than twice its width. a.) write an expression to determine the pool's perimeter. What is it's perimeter? b.) write an expression to determine the surface area of the pool. What is the