Garis akan memotong parabola di dua titik apabila ....

Pertanyaan

Garis $begin mathsize 14px style y minus x plus 12 equals 0 end style$ akan memotong parabola $begin mathsize 14px style y equals x squared minus left parenthesis b minus 2 right parenthesis x plus 13 end style$ di dua titik apabila ....

$begin mathsize 14px style x less than negative 9 end style$
$size 14px x size 14px greater than size 14px 9$
$size 14px x size 14px greater than size 14px 11$
$size 14px minus size 14px 9 size 14px less than size 14px x size 14px less than size 14px 11$
$size 14px x size 14px less than size 14px minus size 14px 9 size 14px space$ atau $undefined$

Pembahasan Soal:

$begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell y subscript 1 end cell equals cell x minus 12 end cell row cell y subscript 2 end cell equals cell x squared minus left parenthesis b minus 2 right parenthesis x plus 13 end cell row cell y subscript 1 end cell equals cell y subscript 2 end cell row cell x minus 12 end cell equals cell x squared minus left parenthesis b minus 2 right parenthesis x plus 13 end cell row 0 equals cell x squared minus open parentheses b minus 2 close parentheses x minus x plus 13 plus 12 end cell row 0 equals cell x squared minus open parentheses b minus 2 minus 1 close parentheses x plus 13 plus 12 end cell row 0 equals cell x squared minus open parentheses b minus 3 close parentheses x plus 13 plus 12 end cell row 0 equals cell x squared plus open parentheses 3 minus b close parentheses x plus 25 end cell row blank blank blank row blank blank blank row cell Memotong space di space dua space titik space apabila space D end cell greater than 0 row D greater than 0 row cell b squared minus 4 a c end cell greater than 0 row cell open parentheses 3 minus b close parentheses squared minus 4 left parenthesis 1 right parenthesis left parenthesis 25 right parenthesis end cell greater than 0 row cell 9 minus 6 b plus b squared minus 100 end cell greater than 0 row cell b squared minus 6 b minus 91 end cell greater than 0 row cell open parentheses b minus 13 close parentheses open parentheses b plus 7 close parentheses end cell greater than 0 row blank blank blank row blank blank blank row blank blank blank end table end style$

Daerah penyelesaian :

Jadi jawaban yang tepat adalah $begin mathsize 14px style x less than negative 7 space atau space x greater than 13 end style$ (Tidak ada pilihan jawaban yang sesuai)

Pembahasan terverifikasi oleh Roboguru

Terakhir diupdate 07 Februari 2021

Ruangguru

RUANGGURU HQ

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

Coba GRATIS Aplikasi Ruangguru

Download di Google Play

Download di Appstore

Produk Ruangguru

Produk Lainnya

Bantuan & Panduan

Hubungi Kami

081578200000

[email protected]

02140008000

Ikuti Kami

Instagram

Facebook

Twitter

Youtube