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Pertanyaan

Himpunan penyelesaian pertidaksamaan 2 x − x 2 ≥ − 15 adalah .....

Himpunan penyelesaian pertidaksamaan  adalah .....

  1. begin mathsize 14px style open curly brackets x vertical line 3 less or equal than x less or equal than 5 comma space x element of R close curly brackets end style

  2. begin mathsize 14px style open curly brackets x vertical line minus 3 less or equal than x less or equal than 5 comma space x element of R close curly brackets end style

  3. begin mathsize 14px style open curly brackets x vertical line minus 5 less or equal than x less or equal than 3 comma space x element of R close curly brackets end style

  4. begin mathsize 14px style open curly brackets x vertical line x less or equal than negative 3 space text atau end text space x greater or equal than 5 comma space x element of R close curly brackets end style

  5. begin mathsize 14px style open curly brackets x vertical line x less or equal than negative 5 space text atau end text space x greater or equal than 3 comma space x element of R close curly brackets end style

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A. Rizky

Master Teacher

Mahasiswa/Alumni Universitas Negeri Malang

Jawaban terverifikasi

Jawaban

HP :

HP : begin mathsize 14px style open curly brackets x vertical line minus 3 less or equal than x less or equal than 5 comma space x element of R close curly brackets end style

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Pembahasan

Jadi, HP :

begin mathsize 14px style 2 x minus x squared greater or equal than negative 15  x squared minus 2 x minus 15 less or equal than 0 space  left parenthesis x minus 5 right parenthesis left parenthesis x plus 3 right parenthesis less or equal than 0  x equals 5 space atau space x equals negative 3 end style

Jadi, HP : begin mathsize 14px style open curly brackets x vertical line minus 3 less or equal than x less or equal than 5 comma space x element of R close curly brackets end style

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