
Persiapan Ujian Akhir Semester 2
Authored by Restu Auliyah
Mathematics
11th Grade

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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1. Hitunglah koefisien korelasi antara data berikut: (2, 3), (3, 5), (5, 7), (7, 10).
0.84
1.00
-0.30
0.50
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2. Buatlah persamaan regresi linear dari data berikut: (1, 2), (2, 3), (3, 5), (4, 7).
y = 2x + 1
y = x + 4
y = 1.5x + 0.5
y = 3x - 1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
3. Jika sin x = 0.5, berapakah nilai x dalam derajat?
90°
180°
0°
30°, 150°
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
4. Hitunglah nilai cos 45 derajat.
1
0
\frac{\sqrt{2}}{2}
$\frac{1}{\sqrt{2}}$
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
5. Diberikan vektor A = (3, 4) dan B = (1, 2), hitunglah A + B.
(3, 5)
(2, 4)
(5, 6)
(4, 6)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
6. Hitunglah panjang vektor C = (6, 8).
14
8
10
12
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
7. Jika dua variabel memiliki koefisien korelasi 0.8, apa arti dari nilai tersebut?
Hubungan kuat dan negatif antara dua variabel.
Hubungan kuat dan positif antara dua variabel.
Tidak ada hubungan antara dua variabel.
Hubungan lemah dan negatif antara dua variabel.
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