L = 2w - 3
L * w = (2w-3) * w = 14
Solve for w then L.
The area of a rectangle is 14m^2, and the length of the rectangle is 3m less than twice the width. Find the dimensions of the rectangle.
2 answers
width --- x m
length = 2x-3 m
x(2x-3) = 14
2x^2 - 3x - 14 = 0
Solve using your favourite method of solving quadratics
Hint: it factors
length = 2x-3 m
x(2x-3) = 14
2x^2 - 3x - 14 = 0
Solve using your favourite method of solving quadratics
Hint: it factors
2 answers