Iklan

Iklan

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

Iklan

N. Mustikowati

Master Teacher

Mahasiswa/Alumni Universitas Negeri Jakarta

Jawaban terverifikasi

Iklan

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

Perdalam pemahamanmu bersama Master Teacher
di sesi Live Teaching, GRATIS!

157

Iklan

Iklan

Pertanyaan serupa

Persamaan garis singgung lingkaran x 2 + y 2 + 2 x + 4 y − 13 = 0 pada titik ( 2 , 1 ) adalah

17

3.6

Jawaban terverifikasi

RUANGGURU HQ

Jl. Dr. Saharjo No.161, Manggarai Selatan, Tebet, Kota Jakarta Selatan, Daerah Khusus Ibukota Jakarta 12860

Coba GRATIS Aplikasi Roboguru

Coba GRATIS Aplikasi Ruangguru

Download di Google PlayDownload di AppstoreDownload di App Gallery

Produk Ruangguru

Hubungi Kami

Ruangguru WhatsApp

+62 815-7441-0000

Email info@ruangguru.com

[email protected]

Contact 02140008000

02140008000

Ikuti Kami

©2024 Ruangguru. All Rights Reserved PT. Ruang Raya Indonesia