Suppose a square garden has an area represented by 9x^2 square feet. If one side is made 7 feet longer and the other side is made 2 feet shorter, then the trinomial that models the area of the larger garden is 9x^2 + 15x - 14 square feet.
4 answers
Yes it is.
Explain
From the given area of the square, work out its sides in terms of x.
Find the area after these sides are lengthened and shortened by the given amount.
Find the area after these sides are lengthened and shortened by the given amount.
Hint: Since the area is 9x^2, the side length is 3x.
9 answers