RoboguruRoboguru
SD

Diketahui fungsi kuadrat y=2x2−5x−3. H. Gambar grafiknya

Pertanyaan

Diketahui fungsi kuadrat undefined.
H. Gambar grafiknya

H. Hermawan

Master Teacher

Mahasiswa/Alumni Universitas Lampung

Jawaban terverifikasi

Pembahasan

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row y equals cell 2 x squared minus 5 x minus 3 end cell row 0 equals cell 2 x squared minus 5 x minus 3 end cell row blank equals cell left parenthesis 2 x plus 1 right parenthesis left parenthesis x minus 3 right parenthesis end cell row blank blank blank row cell x subscript 1 end cell equals cell negative 1 half end cell row cell x subscript 2 end cell equals 3 row blank blank blank row cell Titik space potong space sb. space straight x end cell equals cell left parenthesis negative 1 half comma space 0 right parenthesis space dan space left parenthesis 3 comma space 0 right parenthesis space end cell row blank blank blank row y equals cell 2 x squared minus 5 x minus 3 end cell row y equals cell 2 left parenthesis 0 right parenthesis squared minus 5 left parenthesis 0 right parenthesis minus 3 end cell row y equals cell negative 3 end cell row blank blank blank row cell titik space potong space sb. space straight y end cell equals cell left parenthesis negative 3 comma space 0 right parenthesis end cell row blank blank blank row cell x blank subscript s end cell equals cell negative fraction numerator b over denominator 2 a end fraction end cell row blank equals cell 5 over 4 end cell row cell nilai space ekstrim space y end cell equals cell 2 left parenthesis 5 over 4 right parenthesis blank squared minus 5 left parenthesis 5 over 4 right parenthesis minus 3 end cell row blank equals cell 25 over 8 minus 25 over 4 minus 3 end cell row blank equals cell fraction numerator 25 minus 50 minus 24 over denominator 8 end fraction end cell row blank equals cell negative 49 over 8 end cell row cell titik space ekstrim end cell equals cell open parentheses 5 over 4 comma space minus 49 over 8 close parentheses end cell end table end style

36

4.0 (2 rating)

Pertanyaan serupa

Gambarlah grafik fungsi kuadrat berikut ini! c. y=2x2−3x−2

73

5.0

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

Produk Lainnya

Hubungi Kami

Ruangguru WhatsApp

081578200000

Email info@ruangguru.com

info@ruangguru.com

Contact 02140008000

02140008000

Ikuti Kami

©2022 Ruangguru. All Rights Reserved PT. Ruang Raya Indonesia