form 5 ,, t0pik 5 : variation

j0m belajar tentang variation !!!

mari-mari ...

solution ..

y  berubah secara langsung  x

y = k x

y = k 2

16 = k 2

k = 16 per 2

k = 8

a ) y = 8 x

b) y = 8 (10 )

y =  80

solution ,,

a) y berubah secara langsung x

y = k x

20 = k 4

k = 20 per 4

k = 5

y = 5x

b) y = 5 (16)

y = 80