Pertanyaan

Persamaan garis yang melalui titik (2, 1) dan (3, 6) adalah ....

5x - y = 9
5x + y = 10
x - 5y = -3
x + 5y = 7

H. Eka

Master Teacher

Mahasiswa/Alumni Universitas Pendidikan Indonesia

Jawaban terverifikasi

Pembahasan

$begin mathsize 14px style Persamaan space garis space yang space melalui space left parenthesis straight x subscript 1 comma space straight y subscript 1 right parenthesis space dan space left parenthesis straight x subscript 2 comma space straight y subscript 2 right parenthesis space colon fraction numerator straight y subscript straight space minus straight space straight y subscript 1 over denominator straight y subscript 2 minus straight space straight y subscript 1 end fraction equals fraction numerator straight x subscript straight space minus straight space straight x subscript 1 over denominator straight x subscript 2 minus straight space straight x subscript 1 end fraction Maka space persamaan space garis space yang space melalui space left parenthesis 2 comma 1 right parenthesis space dan space left parenthesis 3 comma 6 right parenthesis space colon fraction numerator straight y minus 1 over denominator 6 minus 1 straight space end fraction equals fraction numerator straight x minus 2 over denominator 3 minus 2 end fraction fraction numerator straight y minus 1 over denominator 5 end fraction equals fraction numerator straight x minus 2 over denominator 1 end fraction 5 straight x minus 10 equals straight y minus 1 5 straight x minus straight y equals 9 end style$