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Tentukan bayangan dari garis atau kurva berikut oleh transformasi matriks yang diberikan: y − 8 x = 5 oleh T = [ − 2 − 1 ​ 1 2 ​ ]

Tentukan bayangan dari garis atau kurva berikut oleh transformasi matriks yang diberikan:

oleh

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Y. Herlanda

Master Teacher

Mahasiswa/Alumni STKIP PGRI Jombang

Jawaban terverifikasi

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bayangan dari garis atau kurva oleh transformasi adalah .

bayangan dari garis atau kurva begin mathsize 14px style y minus 8 x equals 5 end style oleh transformasi begin mathsize 14px style T equals open square brackets table row cell negative 2 end cell 1 row cell negative 1 end cell 2 end table close square brackets end style adalah begin mathsize 14px style x equals fraction numerator 2 y plus 3 over denominator 5 end fraction end style.

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Pembahasan

Sehingga, Substitusi Jadi, bayangan dari garis atau kurva oleh transformasi adalah .

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell open square brackets table row cell x apostrophe end cell row cell y apostrophe end cell end table close square brackets end cell equals cell open square brackets table row a b row c d end table close square brackets open square brackets table row x row y end table close square brackets end cell row cell open square brackets table row x row y end table close square brackets end cell equals cell open square brackets table row d cell negative b end cell row cell negative c end cell a end table close square brackets open square brackets table row cell x apostrophe end cell row cell y apostrophe end cell end table close square brackets end cell end table end style

Sehingga,

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell open square brackets table row cell x apostrophe end cell row cell y apostrophe end cell end table close square brackets end cell equals cell open square brackets table row cell negative 2 end cell 1 row cell negative 1 end cell 2 end table close square brackets open square brackets table row x row y end table close square brackets end cell row cell open square brackets table row x row y end table close square brackets end cell equals cell open square brackets table row 2 cell negative 1 end cell row 1 cell negative 2 end cell end table close square brackets open square brackets table row cell x apostrophe end cell row cell y apostrophe end cell end table close square brackets end cell row blank equals cell fraction numerator 1 over denominator left parenthesis 2 right parenthesis left parenthesis negative 2 right parenthesis minus left parenthesis negative 1 right parenthesis left parenthesis 1 right parenthesis end fraction open square brackets table row 2 cell negative 1 end cell row 1 cell negative 2 end cell end table close square brackets open square brackets table row cell x apostrophe end cell row cell y apostrophe end cell end table close square brackets end cell row blank equals cell fraction numerator 1 over denominator negative 4 plus 1 end fraction open square brackets table row 2 cell negative 1 end cell row 1 cell negative 2 end cell end table close square brackets open square brackets table row cell x apostrophe end cell row cell y apostrophe end cell end table close square brackets end cell row blank equals cell negative 1 third open square brackets table row 2 cell negative 1 end cell row 1 cell negative 2 end cell end table close square brackets open square brackets table row cell x apostrophe end cell row cell y apostrophe end cell end table close square brackets end cell row blank equals cell open square brackets table row cell negative 2 over 3 end cell cell 1 third end cell row cell negative 1 third end cell cell 2 over 3 end cell end table close square brackets open square brackets table row cell x apostrophe end cell row cell y apostrophe end cell end table close square brackets end cell row blank equals cell open square brackets table row cell negative 2 over 3 x apostrophe plus 1 third y apostrophe end cell row cell negative 1 third x apostrophe plus 2 over 3 y apostrophe end cell end table close square brackets end cell row x equals cell negative 2 over 3 x apostrophe plus 1 third y apostrophe end cell row y equals cell negative 1 third x apostrophe plus 2 over 3 y apostrophe end cell end table end style

Substitusi

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell y minus 8 x end cell equals 5 row cell open parentheses negative 1 third x apostrophe plus 2 over 3 y apostrophe close parentheses minus 8 open parentheses negative 2 over 3 x apostrophe plus 1 third y apostrophe close parentheses end cell equals 5 row cell negative 1 third x apostrophe plus 2 over 3 y apostrophe plus 16 over 3 x apostrophe minus 8 over 3 y apostrophe end cell equals 5 row cell negative x apostrophe plus 2 y apostrophe plus 16 x apostrophe minus 8 y apostrophe end cell equals 15 row cell 15 x apostrophe minus 6 y apostrophe end cell equals 15 row cell 15 x apostrophe end cell equals cell 6 y apostrophe plus 15 end cell row cell 5 x apostrophe end cell equals cell 2 y apostrophe plus 3 end cell row cell x apostrophe end cell equals cell fraction numerator 2 y apostrophe plus 3 over denominator 5 end fraction end cell row x equals cell fraction numerator 2 y plus 3 over denominator 5 end fraction end cell end table end style

Jadi, bayangan dari garis atau kurva begin mathsize 14px style y minus 8 x equals 5 end style oleh transformasi begin mathsize 14px style T equals open square brackets table row cell negative 2 end cell 1 row cell negative 1 end cell 2 end table close square brackets end style adalah begin mathsize 14px style x equals fraction numerator 2 y plus 3 over denominator 5 end fraction end style.

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