Latihan Ujian Nasional SMA

Quiz
•
Mathematics
•
12th Grade
•
Hard
+1
Standards-aligned
Deliana Munthe
Used 36+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Diketahui f (x) = 3x + 4 dan (gof)(x) = 6x + 6. Nilai dari
g-1(0) =...
-2
-1
½
1
2
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Akar persamaan kuadrat x2 + 2x + 3 = 0 adalah α dan β. Persamaan kuadrat baru yang akar-akarnya (α+2) dan (β+2) adalah....
x2 + 6x + 5 = 0
x2 + 6x + 7 = 0
x2 + 6x + 3 = 0
x2 + 2x + 3 = 0
x2 - 2x + 3 = 0
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Perhatikan gambar !
y = 2x2 - 2x - 4
y = 2x2 + 2x - 4
y = x2 - 2x - 2
y = x2 + 2x - 2
y = x2 - 2x - 4
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Misalkan persamaan kuadrat 2x2 + ax + 1 = 0, mempunyai akar-akar berkebalikan dengan akar-akar persamaan kuadrat x2 + x + 2 = 0. Nilai 6 – 5a = ...
-8
-4
-2
4
8
Tags
CCSS.HSA.REI.B.4
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Sekarang tahun 2019, empat tahun yang lalu umur adik sama dengan ⅓ umur kakak. Lima tahun yang akan datang umur adik sama dengan ⅔ umur kakak. Jika kakak berencana menikah pada umur 25 tahun, maka kakak menikah pada tahun ....
2025
2028
2030
2031
2035
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Persamaan kuadrat x2 - (p + 2)x + (5/2 p) -1 mempunyai dua akar real berbeda. Batas-batas nilai p yang memenuhi adalah...
p ≤ 2 atau p ≥ 4
p < 2 atau p > 4
p ≤ -4 atau p ≥ 4
2 ≤ p ≤ 4
2 < p < 4
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Seorang penjaja beras menggunakan gerobak, menjual beras putih dan beras merah. Harga pembelian beras putih Rp. 10.000,00 tiap liter dan beras merah Rp. 15.000,00 tiap liter. Modal yang tersedia hanya Rp. 2.250.000,00 dan gerobak hanya dapat memuat tidak lebih dari 200 kg. Jika x menyatakan banyaknya liter beras putih dan y banyaknya liter beras merah, maka model matematika dari masalah tersebut adalah ... .
x + y ≥ 200 ; 2x + 3y ≤ 450 ; x ≥ 0 ; y ≥ 0
x + y ≤ 200 ; 4x + 3y ≤ 450 ; x ≥ 0 ; y ≥ 0
x + y ≤ 200 ; 2x + 3y ≤ 450 ; x ≥ 0 ; y ≥ 0
x + y ≥ 200 ; 4x + 3y ≤ 450 ; x ≥ 0 ; y ≥ 0
x + y ≥ 200 ; 3x + 2y ≤ 450 ; x ≥ 0 ; y ≥ 0
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