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Persamaan garis yang melalui titik M(1, -5) dan N(3, 2) adalah ...

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Mencari persamaan garis melalui 2 titik

straight x subscript 1 equals 1 straight y subscript 1 equals negative 5 straight x subscript 2 equals 3 straight y subscript 2 equals 2

Mencari persamaan garis melalui 2 titik

$fraction numerator straight y minus straight y subscript 1 over denominator straight y subscript 2 minus straight y subscript 1 end fraction equals fraction numerator begin display style straight x minus straight x subscript 1 end style over denominator begin display style straight x subscript 2 minus straight x subscript 1 end style end fraction space space space fraction numerator straight y plus 5 over denominator 2 plus 5 end fraction equals fraction numerator straight x minus 1 over denominator 3 minus 1 end fraction space space space space fraction numerator straight y plus 5 over denominator 7 end fraction equals fraction numerator straight x minus 1 over denominator 2 end fraction space space 2 straight y plus 10 equals 7 straight x minus 7 space space 7 straight x minus 2 straight y equals 17$