Question

The length of a rectangle is 4 more than the width. Find the width of the rectangle if the area is 32.

Answer 1

length = 8

width = 4

Explanation:

Area = length x breadth

Let x represent the width

length = x + 4

32 = x × (x + 4)

32 = x² + 4x

x² + 4x - 32 = 0

solving using quadratic equation =

(x² - 4x) -32 + 8x

x = 4 or -8

since width cannot be a negative number, we would use 4