Jawabanmu

2014-05-31T20:44:13+07:00
Pencerminan x = 3
x' = 2(3) - a
5 = 6 - a
a = 1
jawabannya: a = 1
2014-05-31T20:49:02+07:00
P(a , -8) dicerminkan pada x = 3 maka hasilnya P'(2(3) - a , -8)
P'(6-a , - 8) ⇔ P'(5 , -8)
berarti 5 = 6 - a
a = 6 - 5
a = 1
1 5 1