Pertanyaan

Persamaan garis k di atas adalah …

I. Sutiawan

Master Teacher

Mahasiswa/Alumni Universitas Pasundan

Jawaban terverifikasi

Jawaban

persamaan garis k adalah

table attributes columnalign right center left columnspacing 0px end attributes row blank blank 5 end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank x end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank plus end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank 3 end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank y end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank minus end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank 15 end table table attributes columnalign right center left columnspacing 0px end attributes row blank equals blank end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank 0 end table

Pembahasan

Diketahui garis melalui koordinat dan , maka: Jadi, persamaan garis k adalah

Diketahui garis melalui koordinat left parenthesis 3 comma space 0 right parenthesis dan left parenthesis 0 comma space 5 right parenthesis , maka:

$table attributes columnalign right center left columnspacing 0px end attributes row cell fraction numerator y minus y subscript 1 over denominator y subscript 2 minus y subscript 1 end fraction end cell equals cell fraction numerator x minus x subscript 1 over denominator x subscript 2 minus x subscript 1 end fraction end cell row cell fraction numerator y minus 0 over denominator 5 minus 0 end fraction end cell equals cell fraction numerator x minus 3 over denominator 0 minus 3 end fraction end cell row cell y over 5 end cell equals cell fraction numerator x minus 3 over denominator negative 3 end fraction end cell row cell negative 3 y end cell equals cell 5 open parentheses x minus 3 close parentheses end cell row cell negative 3 y end cell equals cell 5 x minus 15 end cell row cell 5 x plus 3 y minus 15 end cell equals 0 end table$

Jadi, persamaan garis k adalah