Question
A farmer has 120 metres of fencing.
He is going to make a rectangular enclosure PQRS with the fencing.
He is also going to divide the enclosure into two equal parts by fencing along MN.
SNR
The width of the enclosure is x metres. The length of the enclosure is y metres.
(a) (i) Show that y = 60 – 1.5x
The area of the enclosure PQRS is A m2 (ii) Show that A = 60x – 1.5x2
He is going to make a rectangular enclosure PQRS with the fencing.
He is also going to divide the enclosure into two equal parts by fencing along MN.
SNR
The width of the enclosure is x metres. The length of the enclosure is y metres.
(a) (i) Show that y = 60 – 1.5x
The area of the enclosure PQRS is A m2 (ii) Show that A = 60x – 1.5x2