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Pertanyaan

Persamaan garis singgung pada kurva y = 2 x 2 + 6 x − 4 yang tegak lurus garis x-2y+12 = 0 adalah ….

Persamaan garis singgung pada kurva   yang tegak lurus garis x-2y+12 = 0 adalah ….

  1. 2x - y - 12 = 0

  2. 2x + y  = 12

  3. 2x + y + 12 = 0

  4. -2x + y + 12 = 0

  5. 2x - y = 12

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H. Nufus

Master Teacher

Mahasiswa/Alumni Universitas Negeri Surabaya

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Pembahasan

y equals 2 x squared plus 6 x minus 4 space t e g a k space l u r u s space x minus 2 y plus 12 equals 0 space rightwards double arrow space 2 y equals x plus 12 space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space y equals 1 half x plus 6 space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space m subscript 1 equals 1 half K a r e n a space g a r i s space s a l i n g space t e g a k space l u r u s comma space m a k a space m subscript 1 m subscript 2 equals negative 1 space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space 1 half space m subscript 2 equals negative 1 space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space m subscript 2 equals negative 2 y equals 2 x squared plus 6 x minus 4 space rightwards double arrow space y apostrophe equals 4 x plus space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space minus 2 equals 4 x plus 6 space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space 4 x equals negative 2 minus 6 space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space x equals fraction numerator negative 8 over denominator 4 end fraction equals negative 2 U n t u k space x equals negative 2 rightwards double arrow y equals 2 open parentheses negative 2 close parentheses squared plus 6 open parentheses negative 2 close parentheses minus 4 space space space space space space space space space space space space space space space space space space space space space space space space space space space space space y equals 8 minus 12 minus 4 equals negative 8 space space space space space rightwards double arrow t i t i k space sin g g u n g space left parenthesis negative 2 comma negative 8 right parenthesis  P e r s a m a a n space g a r i s space sin g g u n g space equals y minus y subscript 1 equals m open parentheses x minus x subscript 1 close parentheses space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space y minus open parentheses negative 8 close parentheses equals negative 2 open parentheses x minus open parentheses negative 2 close parentheses close parentheses space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space y plus 8 space equals space minus 2 x minus 4 space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space 2 x plus y plus 12 equals 0 space space space space space space space space space space space space space space space space space 

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Pertanyaan serupa

Persamaan garis singgung pada kurva y = 3 x 2 − 7 yang sejajar garis y = 12 x − 8 adalah ….

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