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Pertanyaan

Persamaan garis yang melalui titik A (-2, -5) dan B (3,-7) adalah......

  1. 2x-5y=-29

  2. 2x-5y=-3

  3. 2x+5y=-3

  4. 2x+5y=-29

R. RGFLSATU

Master Teacher

Jawaban terverifikasi

Pembahasan

M i s a l k a n space t i t i k space A space open parentheses x subscript 1 comma space y subscript 1 close parentheses space d a n space B space left parenthesis x subscript 2 comma y subscript 2 right parenthesis space m a k a space open parentheses x subscript 1 comma space y subscript 1 close parentheses equals left parenthesis negative 2 comma negative 5 right parenthesis space d a n space open parentheses x subscript 2 comma space y subscript 2 close parentheses equals left parenthesis 3 comma negative 7 right parenthesis  S e h i n g g a space d i p e r o l e h space p e r s a m a a n comma space y a i t u colon  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  fraction numerator y minus open parentheses negative 5 close parentheses over denominator negative 7 minus open parentheses negative 5 close parentheses end fraction equals fraction numerator x minus open parentheses negative 2 close parentheses over denominator 3 minus open parentheses negative 2 close parentheses end fraction  fraction numerator y minus open parentheses negative 5 close parentheses over denominator negative 7 minus open parentheses negative 5 close parentheses end fraction equals fraction numerator x minus open parentheses negative 2 close parentheses over denominator 3 minus open parentheses negative 2 close parentheses end fraction  fraction numerator y plus 5 over denominator negative 2 end fraction equals fraction numerator x plus 2 over denominator 5 end fraction  5 open parentheses y plus 5 close parentheses equals negative 2 open parentheses x plus 2 close parentheses  5 y plus 25 equals negative 2 x minus 4  5 y equals negative 2 x minus 4 minus 25  5 y plus 2 x equals negative 29 space a t a u space 2 x plus 5 y equals negative 29

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