< Previous158 Matematika X SMK Kelompok: Penjualan dan AkuntansiGLOSARIUM Bilangan real : terdiri atas dua jenis bilangan yaitu bilangan rasional dan irasional. Bilangan Rasional : bilangan yang dapat dibentuk menjadi ba dengan b 0 Bilangan komposit : bilangan yang memiliki faktor lebih dari dua Persen : pembagian dengan seratus Perbandingan senilai : dua perbandingan yang nilainya sama Perbandingan berbalik nilai : dua perbandingan yang harganya saling berbalikan Skala : bentuk perbandingan senilai dari ukuran suatu besaran nyata Bilangan berpangkat : an didefinisikan dengan nax....xaxaxaxaBentuk akar : akar dari suatu bilangan yang nilainya merupakan bilangan irasional Logaritma : a c = b identik dengan a log b = c Mantise : bilangan desimal dari hasil pengambilan logaritma indeks atau karakteristik : bilangan bulat dari hasil pengambilan logaritma Persamaan : Kalimat terbuka yang memuat tanda “ sama dengan “ Pertidaksamaan : kalimat terbuka yang memuat tanda “ < , < , > , > Persamaan atau pertidaksamaan linear :suatu persamaan atau pertidaksamaan dengan variabelnya berpangkat satu. Eliminasi :melenyapkan Subtitusi :mengganti atau menyatakan salah satu variabel dengan variabel lainnya. 159Glosarium Persamaan kuadrat :persamaan dimana pangkat tertinggi dari variabel (peubah) adalah dua Akar-akar persamaan kuadrat :penyelesaian persamaan kuadrat Diskriminan :pembeda persamaan kuadrat, D = b2 – 4ac Matriks :susunan elemen-elemen atau entri-entri yang berbentuk persegipanjang yang diatur dalam baris dan kolom Ordo matriks :banyaknya elemen baris diikuti banyaknya kolom. Amxn berarti matriks A berordo m x n Matriks diagonal :matriks yang seluruh elemennya nol kecuali pada diagonal utamanya tidak semuanya nol. Matriks identitas :matriks yang semua elemen pada diagonal utamanya adalah satu dan elemen lainnya adalah nol. Transpose matriks :mengubah susunan matriks dari baris menjadi kolom atau sebaliknya minor :determinan submatriks yang tinggal setelah baris ke-i dan kolom ke-j dicoret dari A Matriks singular :matriks yang harga determinannya = 0 atau matriks yang tidak memiliki invers Program Linear : cara untuk menyelesaikan suatu persoalan (penyelesaian optimum) dengan menggunakan metode matematik yang dirumuskan dalam bentuk persamaan-persamaan atau pertidaksamaan-pertidaksamaan linear Model matematika : suatu rumusan (dapat berupa persamaan, pertidaksamaan atau fungsi) yang diperoleh dari suatu penafsiran ketika menterjemahkan suatu soal verbal. Nilai optimum : maksimum atau minimum Garis selidik : suatu garis yang digunakan untuk menyelidiki nilai optimum (maksimum atau minimum) yang diperoleh dari fungsi sasaran atau fungsi objektif. 160 Matematika X SMK Kelompok: Penjualan dan AkuntansiINDEKSAAsosiatif.....................................................................................................................................5, 6, 88 Adjoin.................................................................................................................................99, 101, 106 BBentuk akar................................................................................................................25, 26, 27, 40, 42Bilangan asli..................................................................................................................................................3 berpangkat...................................................................................................................18, 19, 20, 22 desimal.......................................................................................................................................3, 4 irasional................................................................................................................................3, 3, 23 Imajiner..........................................................................................................................................3komposit.....................................................................................................................................3, 4 prima..........................................................................................................................................3, 4 rasional.......................................................................................................................................3, 4 real..........................................................................................................................1, 2, 3, 5, 15, 47 Bruto.................................................................................................................................................10 CCramer.....................................................................................................................103, 104, 107, 112 DDeterminan...........................................................................................................95, 96, 100, 101, 106 Diskon.....................................................................................................................................8, 11, 13 Distributif.................................................................................................................................6, 16, 88 EElemen............................................................................................................... 81, 82, 83, 84, 85, 86 Elemen netral.......................................................................................................................................5Eliminasi.........................................................................................................................48, 50, 56, 102 FFaktorisasi.............................................................................................................................59, 64, 68 Feasible..............................................................................129, 131, 132, 133, 134, 136, 137, 138, 145 Fungsikendala.......................................................................................................................................125 objektif............................................................................125, 126, 129, 133, 134, 136, 138, 142, 147GGaris selidik......................................................................................................................................136 HHimpunan penyelesaian..46, 48, 49, 50, 51, 53, 54, 56, 57, 62, 63, 65, 74, 75, 76, 77, 103, 106, 115, 116 161 Indeks IIndeks...................................................................................................................................30, 31, 32 Invers......................................................................................................95, 98, 99, 100, 101, 106, 112 penjumlahan........................................................................................................................5, 15, 38 perkalian.........................................................................................................................5, 6, 15, 39 KKarakteristik...........................................................................................................................30, 31, 38 Komutatif............................................................................................................................5,15, 88, 91 Kofaktor..........................................................................................................................97, 98, 99, 101 LLogaritma..............................................................................................2, 28, 29, 30, 31, 32, 33, 34, 35 MMantise..................................................................................................................................30, 31, 32 Matriksbaris..............................................................................................................................................83 diagonal........................................................................................................................................83 identitas..........................................................................................................................84, 93, 112 kolom............................................................................................................................................83 nol ................................................................................................................................................83 persegi....................................................................................................................................83, 84 segitiga...................................................................................................................................83, 84 transpose...................................................................................................................84, 85, 86, 111 Minor......................................................................................................................95, 97, 98, 101, 106 NNetto...................................................................................................................................................9 Nilaimaksimum......................................................................129, 130, 131, 134, 136, 137, 138, 142, 144 minimum.........................................................................129, 130, 134, 136, 137, 138, 142, 143, 144 optimum.......................................................................................................................127, 129, 136 OOperasi..............................................................................................2, 3, 4, 5, 6, 15, 32, 33, 87, 88, 92 Ordo............................................................................81, 82, 84, 85, 86, 87, 88, 89, 90, 95, 96, 98, 106 PPecahan...................................................................................................3, 4, 5, 6, 7, 10, 15, 16, 26, 27 Perbandingan berbaliknilai......................................................................................................................12, 13, 16 senilai.....................................................................................................................................12, 16 Perkalian matriks..........................................................................................................................88, 89Persamaan kuadrat.........................................................46, 47, 54, 56, 59, 61, 66, 67, 68, 70, 72, 74, 76, 77, 78 linear...............................................................................................................46, 47, 48, 49, 56, 57 Pertidaksamaan kuadrat.........................................................................................................................59, 62, 63, 68 linear............................................................................................................................46, 51, 54, 56 Program linear..........................................................................................................113, 114, 115, 116 162Matematika X SMK Kelompok:Penjualan dan Akuntansi RRafaksi..........................................................................................................................................9, 11 Rumus kuadrat..................................................................................................................61, 62, 64, 68 SSingular...................................................................................................................................102, 106 Sistem pertidaksamaan...........................114, 115, 123, 124, 128, 129, 130, 140, 141, 142, 143, 144, 145 Skala..........................................................................................................................14, 15, 16, 17, 18 Substitusi........................................................................................................................49, 50, 56, 102TTarra.............................................................................................................................................9, 11 VVerbal................................................................................................................114, 124, 128, 129, 133 DAFTAR PUSTAKA Alders, C.J. 1987. 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