Pertanyaan

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

7x — 2y = 17
7x+ 2y= -17
2x — 7y = 3
2x + 7y = —3

F. Kurnia

Master Teacher

Mahasiswa/Alumni Universitas Jember

Jawaban terverifikasi

Pembahasan

$fraction numerator left parenthesis y minus y subscript 1 right parenthesis over denominator left parenthesis y subscript 2 minus y subscript 1 right parenthesis end fraction equals fraction numerator x minus x subscript 1 over denominator x subscript 2 minus x subscript 1 end fraction right parenthesis fraction numerator y minus left parenthesis negative 5 right parenthesis over denominator 2 minus left parenthesis negative 5 right parenthesis end fraction equals fraction numerator x minus 1 over denominator 3 minus 1 end fraction fraction numerator y plus 5 over denominator 7 end fraction equals fraction numerator x minus 1 over denominator 2 end fraction 2 left parenthesis y plus 5 right parenthesis equals 7 space left parenthesis x minus 1 right parenthesis 2 y plus 10 equals 7 x minus 7 2 y minus 7 x equals negative 7 minus 10 2 y minus 7 x equals negative 17 minus 7 x plus 2 y equals 17 space left parenthesis d i k a l i k a n space m i n u s right parenthesis 7 x minus 2 y equals 17$