Problema Solution
A photograph has a length that is 6 inches longer than its width, x. So its area is given by the expression x(x+6) square inches. If the area of the photograph is 112 square inches, what is the width of the photograph?
The width of the photograph is _____ inches.
The solution is .
Answer provided by our tutors
We need to find the positive solutions for the equation:
x(x + 6) = 112
........
click here to see the equation solved for x
........
x = 8 in
We need to ignore the negative solution -14 since the width can only be a positive number.
The width of the photograph is 8 inches.