
Remidi Matematika XI
Authored by Mirza Rizqiansyah
Mathematics
11th Grade
Used 2+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Diketahui titik A(5, 1, 3), B(2, -1, -1), dan C(4, 2, -4). Besar sudut ABC = … °
180
90
60
30
0
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Diketahui vector a = 4i - 2j + 2k dan vector b = 2i - 6j + 4k. Proyeksi vector orthogonal vector a pada vector b adalah …
i - j + k
i - 3j + 2k
i - 4j + 4k
2i - j + k
6i - 8j + 6k
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Diketahui segitiga ABC dengan titik A(-2, 3, 1), B(1, -1, 0), dan C(-1, 1, 0). Proyeksi vektor AB terhadap AC adalah …
2i - 4j + 2k
2i - 4j - 2k
2i + 4j - 2k
i - 2j - k
i + 2j - k
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Akar-akar persamaan kuadrat 2x2 + mx + 16 = 0 adalah dan . Jika = 2 dan , positif maka nilai m = …
-12
-6
6
8
12
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Persamaan kuadrat x2 - 3x - 2 = 0 akar-akarnya p dan q. Persamaan kuadrat baru yang akar - akarnya (3p + 1) dan (3q + 1) adalah …
x2 - 11x - 8 = 0
x2 - 11x - 26 = 0
x2 - 9x - 8 = 0
x2 + 9x - 8 = 0
x2 - 9x - 26 = 0
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Diketahui f(x) = 2x + 5 dan g(x) = (x-1)/(x+4) ,x≠-4, maka (f o g)(x) = …
(7x+2)/(x+4),x≠-4
(2x+3)/(x+4),x≠-4
(2x+2)/(x+4),x≠-4
(7x+18)/(x+4),x≠-4
(7x+22)/(x+4),x≠-4
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Diketahui fungsi f(x) = (x+1)/(x-3) , x≠ 3, dan g(x) = x2 + x + 1. Nilai komposisi fungsi (g o f)(2) = …
2
3
4
7
8
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