9: Soal Transformasi Geometri Kelas

(x,y)→(−x,y)open paren x comma y close paren right arrow open paren negative x comma y close paren . Terhadap garis :

x′=6×(-3)=-18x prime equals 6 cross open paren negative 3 close paren equals negative 18 Soal Transformasi Geometri Kelas 9

Vektor translasi dapat dicari dari ( A \to A' ): [ a = 4 - 1 = 3,\quad b = 5 - 2 = 3 ] Maka vektor translasi ( T = \beginpmatrix 3 \ 3 \endpmatrix ). [ B' = (3+3, 4+3) = (6, 7) ] [ C' = (2+3, 1+3) = (5, 4) ] (x,y)→(−x,y)open paren x comma y close paren right

(x,y)→(−y,x)open paren x comma y close paren right arrow open paren negative y comma x close paren -90∘negative 90 raised to the composed with power 270∘270 raised to the composed with power 4+3) = (6