Pertanyaan

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

4x-5y=-33
4x-5y=-17
4x+5y=-33
4x+5y=-17

I. Sutiawan

Master Teacher

Mahasiswa/Alumni Universitas Pasundan

Jawaban terverifikasi

Pembahasan

$P e r s a m a a n space g a r i s space a n t a r a space d u a space t i t i k space a d a l a h fraction numerator y minus y subscript 1 over denominator y subscript 2 minus y subscript 1 end fraction equals fraction numerator x minus x subscript 1 over denominator x subscript 2 minus x subscript 1 end fraction p e r s a m a a n space g a r i s space y a n g space m e l a l u i space left parenthesis 2 comma space minus 5 right parenthesis space d a n space left parenthesis negative 3 comma space minus 1 right parenthesis fraction numerator open parentheses y minus left parenthesis negative 5 close parentheses right parenthesis over denominator negative 1 minus left parenthesis negative 5 right parenthesis end fraction equals fraction numerator open parentheses x minus 2 close parentheses over denominator negative 3 minus 2 end fraction fraction numerator y plus 5 over denominator 4 end fraction equals fraction numerator x minus 2 over denominator negative 5 end fraction minus 5 y minus 25 equals 4 x minus 8 4 x plus 5 y equals negative 25 plus 8 4 x plus 5 y equals negative 17$