
a.
To find: the value of x if the total area of the pool is 336 square feet.
a.

Answer to Problem 71PPS
Explanation of Solution
Given:
The pool is surrounded by a sidewalk of the constant width is shown in given figure.
Calculation:
According to the figure, the dimension of the pool is:
AS,
Therefore,
Now, to find the area of the pool is
Either
When
When
When
Thus, the only value of
Hence, the value of the polynomial equation is
b.
To find: area of the new pool if the value of x is doubled.
b.

Answer to Problem 71PPS
Explanation of Solution
Given:
The area of the pool is 336 square feet and the value of x is doubled.
Calculation:
According to the question, the value of x is doubled, therefore the value of
Hence, the area of new pool is
c.
To find: area of the new pool if the value of x is halved.
c.

Answer to Problem 71PPS
Explanation of Solution
Given:
The area of the pool is 336 square feet and the value of x is halved.
Calculation:
According to the question, the value of x is doubled, therefore the value of
Hence, the area of new pool is
Chapter 5 Solutions
Glencoe Algebra 2 Student Edition C2014
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