Jawabanmu

2014-04-05T12:11:49+07:00
Jadi bayangan titik P'(8,-14)
2014-04-05T12:22:09+07:00
P(x, y) →P'(kx, ky) P(-4, 7)→P'(-2.(-4), -2.7)= P'(8, -14)