Contoh Soal: Soal Matematika Kelas 9 Semester 1 Tentang Fungsi Kuadrat

Buku Pendamping Matematika Smp Kelas 9 Lks Incer Shopee Indonesia

$\begin{array}{llll}\\ &&a.&Memfaktorkan\\ &&&\left ( x-x_{1} \right )\left ( x-x_{2} \right )=0,\quad atau\\ &&&\displaystyle \frac{1}{a}\left ( ax-p \right )\left ( ax-q \right )=0,\quad jika\: koefisien\: x^{2}\: lebih\: dari\: \: 1\\ &&b.&melengkapkan\: kuadrat\: sempurna\\ &&&\displaystyle x=-\frac{1}{2}b\pm \sqrt{\left ( \frac{1}{2}b \right )^{2}-c},\quad jika\: \left ( \frac{1}{2}b \right )^{2}-c\geq 0\\ &&c.&Rumus\: ABC\\ &&&\displaystyle x_{1,2}=\frac{-b\pm \sqrt{b^{2}-4ac}}{2a} \end{array}$

Soal Latihan Relasi Dan Fungsi Smp Kelas 8 Made Nuryadi