Iklan

Iklan

Pertanyaan

\style{font-size:14px}\;\style{font-size:14px}0\style{font-size:14px}\;\style{font-size:14px}{\mathrm{maka}}\style{font-size:14px}\;\style{font-size:14px}{\mathrm{nilai}}\style{font-size:14px}\;\style{font-size:14px}{\mathrm\alpha}\style{font-size:14px}\;\style{font-size:14px}=\style{font-size:14px}.\style{font-size:14px}.\style{font-size:14px}.\style{font-size:14px}." height="19" role="math" src="data:image/png;base64,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" style="max-width: none; vertical-align: -3px;" width="715">

Error converting from MathML to accessible text.

  1. 2

  2. 3

  3. 4

  4. 6

  5. 8

Iklan

N. Mustikowati

Master Teacher

Mahasiswa/Alumni Universitas Negeri Jakarta

Jawaban terverifikasi

Iklan

Pembahasan

Bentuk umum persamaan kuadrat, Maka bentuk Memiliki A = 1, B = (a-1) dan C = 2 Penjumlahan akar-akar Perkalian akar-akar Substitusi ke persamaan (2) maka diperoleh, Maka kita dapat mengetahui melalui , sehingga Atau Karena a > 0maka yang memenuhi adalah a = 4

Bentuk umum persamaan kuadrat,

 

Maka bentuk

 

Memiliki

A = 1, B = (a-1) dan C = 2

 

  • Penjumlahan akar-akar

 

  • Perkalian akar-akar

 

Substitusi begin mathsize 12px style alpha equals 2 beta end style ke persamaan (2) maka diperoleh,

Maka kita dapat mengetahui begin mathsize 12px style alpha end stylemelalui begin mathsize 12px style straight alpha equals 2 straight beta rightwards arrow straight alpha equals 2 left parenthesis plus-or-minus 1 right parenthesis equals plus-or-minus 2 end style, sehingga

Atau

Karena a > 0 maka yang memenuhi adalah a = 4

Konsep Kilat

Pengertian Persamaan Kuadrat

Faktorisasi pada Persamaan Kuadrat

Kuadrat Sempurna dan Rumus Kuadratik

Jumlah, Hasil Kali, dan Selisih Akar Persamaan Kuadrat

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

48

Iklan

Iklan

Iklan

Iklan

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

Fitur Roboguru

Topik Roboguru

Hubungi Kami

Ruangguru WhatsApp

081578200000

Email info@ruangguru.com

info@ruangguru.com

Contact 02140008000

02140008000

Ikuti Kami

©2023 Ruangguru. All Rights Reserved PT. Ruang Raya Indonesia