Question
The width of a rectangle is the length minus 5 units. The area of the rectangle is 6 square units. What is the width, in units, of the rectangle?
Answers
GPT-5 mini
Let the length be L and the width be W = L - 5. Then
L(L - 5) = 6 → L^2 - 5L - 6 = 0.
Solve: L = [5 ± √(25 + 24)]/2 = [5 ± 7]/2, so L = 6 or L = -1. Length must be positive, so L = 6 and W = 6 - 5 = 1.
Answer: 1 unit.
L(L - 5) = 6 → L^2 - 5L - 6 = 0.
Solve: L = [5 ± √(25 + 24)]/2 = [5 ± 7]/2, so L = 6 or L = -1. Length must be positive, so L = 6 and W = 6 - 5 = 1.
Answer: 1 unit.