Iklan

Iklan

Pertanyaan

Bagaimana cara mendapatkan rumus abc?

Bagaimana cara mendapatkan rumus abc?

Iklan

H. Hermawan

Master Teacher

Mahasiswa/Alumni Universitas Lampung

Jawaban terverifikasi

Jawaban

rumus ABC adalah .

rumus ABC adalah table attributes columnalign right left right left right left right left right left right left columnspacing 0em 2em 0em 2em 0em 2em 0em 2em 0em 2em 0em end attributes row x cell equals fraction numerator negative b plus-or-minus square root of b squared minus 4 a c end root over denominator 2 a end fraction end cell end table.

Iklan

Pembahasan

Diketahui persamaan kuadrat: Kemudian didapat: Dengan demikian, rumus ABC adalah .

Diketahui persamaan kuadrat:

a x squared plus b x plus c equals 0 

Kemudian didapat:

table attributes columnalign right left right left right left right left right left right left columnspacing 0em 2em 0em 2em 0em 2em 0em 2em 0em 2em 0em end attributes row cell a x squared plus b x plus c end cell cell equals 0 blank text  (bagi  end text a text  kedua ruas) end text end cell row cell x squared plus b over a x plus c over a end cell cell equals 0 end cell row cell x squared plus b over a x end cell cell equals negative c over a end cell row cell text  gunakan  end text x squared plus p x end cell cell equals open parentheses x plus p over 2 close parentheses squared minus open parentheses p over 2 close parentheses squared end cell row cell open parentheses x plus fraction numerator b over denominator 2 a end fraction close parentheses squared minus open parentheses fraction numerator b over denominator 2 a end fraction close parentheses squared end cell cell equals negative c over a end cell row cell open parentheses x plus fraction numerator b over denominator 2 a end fraction close parentheses squared minus fraction numerator b squared over denominator 4 a squared end fraction end cell cell equals negative c over a end cell row cell open parentheses x plus fraction numerator b over denominator 2 a end fraction close parentheses squared end cell cell equals fraction numerator b squared over denominator 4 a squared end fraction minus c over a end cell row cell open parentheses x plus fraction numerator b over denominator 2 a end fraction close parentheses squared end cell cell equals fraction numerator b squared over denominator 4 a squared end fraction minus fraction numerator 4 a c over denominator 4 a squared end fraction end cell row cell open parentheses x plus fraction numerator b over denominator 2 a end fraction close parentheses squared end cell cell equals fraction numerator b squared minus 4 a c over denominator 4 a squared end fraction end cell row cell open parentheses x plus fraction numerator b over denominator 2 a end fraction close parentheses end cell cell equals plus-or-minus square root of fraction numerator b squared minus 4 a c over denominator 4 a squared end fraction end root end cell row cell open parentheses x plus fraction numerator b over denominator 2 a end fraction close parentheses end cell cell equals plus-or-minus fraction numerator square root of b squared minus 4 a c end root over denominator 2 a end fraction end cell row x cell equals negative fraction numerator b over denominator 2 a end fraction plus-or-minus fraction numerator square root of b squared minus 4 a c end root over denominator 2 a end fraction end cell row x cell equals fraction numerator negative b plus-or-minus square root of b squared minus 4 a c end root over denominator 2 a end fraction end cell end table 

Dengan demikian, rumus ABC adalah table attributes columnalign right left right left right left right left right left right left columnspacing 0em 2em 0em 2em 0em 2em 0em 2em 0em 2em 0em end attributes row x cell equals fraction numerator negative b plus-or-minus square root of b squared minus 4 a c end root over denominator 2 a end fraction end cell end table.

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

1

Iklan

Iklan

Pertanyaan serupa

Tentukan akar-akar persamaan kuadrat berikut dengan rumus ABC x + x 1 ​ ​ = ​ 3 ​

84

0.0

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