Pertanyaan

Persamaan garis singgung lingkaran x 2 + y 2 − 12 x + 2 y + 36 = 0 di titik (-1,-2) adalah ...

Persamaan garis singgung lingkaran   di titik (-1,-2) adalah ...

  1. 4x - y - 40 = 0

  2. 5x - y + 40 = 0

  3. 5x + y - 40 = 0

  4. 7x + y + 40 = 0

  5. 7x + y - 40 = 0

N. Mustikowati

Master Teacher

Mahasiswa/Alumni Universitas Negeri Jakarta

Jawaban terverifikasi

Pembahasan

Persamaan garis singgung di titik (-1, -2):

space space space space space space space space space space space space x squared plus y squared minus 12 x plus 2 y plus 36 equals 0  left parenthesis x minus 6 right parenthesis squared plus 36 plus left parenthesis y plus 1 right parenthesis squared minus 1 plus 36 equals 0  space space space space space space space space space space space space space space space space space space space space space space space left parenthesis x minus 6 right parenthesis squared plus left parenthesis y plus 1 right parenthesis squared equals 1

Persamaan garis singgung di titik (-1, -2):

space space space left parenthesis x subscript 1 minus a right parenthesis left parenthesis x minus a right parenthesis plus left parenthesis y subscript 1 minus b right parenthesis left parenthesis y minus b right parenthesis equals r squared  left parenthesis negative 6 minus 1 right parenthesis left parenthesis x minus 6 right parenthesis plus left parenthesis negative 2 plus 1 right parenthesis left parenthesis y plus 1 right parenthesis equals 1  space space space space space space space space space space space space space space space minus 7 left parenthesis x minus 6 right parenthesis plus left parenthesis negative 1 right parenthesis left parenthesis y plus 1 right parenthesis equals 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 minus 7 plus 42 minus y minus 11 equals 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 minus 7 x minus y plus 40 equals 0  space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space 7 x plus y minus 40 equals 0

480

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Pertanyaan serupa

Persamaan garis singgung pada lingkaran x 2 + y 2 − 2 x + 10 y − 64 = 0 yang melalui titik ( − 2 , 4 ) adalah ...

885

0.0

Jawaban terverifikasi

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