Question

(b) A rectangle has length 2x cm, perimeter 18 cm and area 10cm^2.
(1) Show that 2x^2 - 9x + 5 = 0.
(11) Solve 2x^2 - 9x + 5 = 0, giving your answers correct to 2 decimal places.
(iii) Find the difference between the length and the width of the rectangle.​

Answer 1

Answer:

vv(b) A rectangle has length 2x cm, perimeter 18 cm and area 10cm^2.

(1) Show that 2x^2 - 9x + 5 = 0.

(11) Solve 2x^2 - 9x + 5 = 0, giving your answers correct to 2 decimal places.

(iii) Find the difference between the length and the width of the rectangle.