Jawaban:

3

Penjelasan dengan langkah-langkah:

Koordinat bayangan titik P left parenthesis 5 comma space minus sign 4 right parenthesis oleh translasi open parentheses table row 3 row cell negative 1 end cell end table close parentheses adalah straight P apostrophe left parenthesis x apostrophe comma space y apostrophe right parenthesis. Maka:

table attributes columnalign right center left columnspacing 0px end attributes row blank blank cell open parentheses 5 comma space minus 4 close parentheses rightwards arrow with T open parentheses table row 3 row cell negative 1 end cell end table close parentheses on top left parenthesis x apostrophe comma space y apostrophe right parenthesis end cell row cell open parentheses table row cell x apostrophe end cell row cell y apostrophe end cell end table close parentheses end cell equals cell open parentheses table row 5 row cell negative 4 end cell end table close parentheses plus open parentheses table row 3 row cell negative 1 end cell end table close parentheses end cell row blank equals cell open parentheses table row cell 5 plus 3 end cell row cell negative 4 plus left parenthesis negative 1 right parenthesis end cell end table close parentheses end cell row blank equals cell open parentheses table row 8 row cell negative 5 end cell end table close parentheses end cell end table

Sehingga:

table attributes columnalign right center left columnspacing 0px end attributes row cell x apostrophe plus y apostrophe end cell equals cell 8 plus left parenthesis negative 5 right parenthesis end cell row blank equals 3 end table