Question
The length of a rectangle is (x+2) inches. The width of the rectangle is (x+1) inches.
Write an equation that can be used to determine the area (A) of the rectangle in terms of x.
What is the value of x if the area of the rectangle is 56 square inches?
Write an equation that can be used to determine the area (A) of the rectangle in terms of x.
What is the value of x if the area of the rectangle is 56 square inches?
Answers
Damon
(x+1)(x+2) = A
x^2 + 3 x + 2 = A
x^2 + 3 x + 2 = 56
x^2 + 3 x - 54 = 0
(x+9)(x-6) = 0
x = 6
x^2 + 3 x + 2 = A
x^2 + 3 x + 2 = 56
x^2 + 3 x - 54 = 0
(x+9)(x-6) = 0
x = 6
bob
this is very stupid