Uji Pemahaman Relasi dan Fungsi

Quiz
•
Mathematics
•
8th Grade
•
Hard
YOSMETA SIMANJUNTAK
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apa yang dimaksud dengan relasi dalam matematika?
Relasi adalah fungsi yang tidak terdefinisi.
Relasi adalah kumpulan angka.
Relasi adalah satu himpunan yang terpisah.
Relasi adalah hubungan antara dua himpunan.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Buatlah tabel fungsi untuk f(x) = 2x + 3 untuk x = 1, 2, 3, 4, 5.
x: 1, f(x): 3; x: 2, f(x): 5; x: 3, f(x): 7; x: 4, f(x): 9; x: 5, f(x): 11
x: 1, f(x): 5; x: 2, f(x): 7; x: 3, f(x): 9; x: 4, f(x): 11; x: 5, f(x): 13
x: 1, f(x): 6; x: 2, f(x): 8; x: 3, f(x): 10; x: 4, f(x): 12; x: 5, f(x): 14
x: 1, f(x): 4; x: 2, f(x): 6; x: 3, f(x): 8; x: 4, f(x): 10; x: 5, f(x): 12
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Gambarlah grafik fungsi f(x) = x^2.
The graph of f(x) = x^2 is a circle centered at the origin.
The graph of f(x) = x^2 is a parabola that opens downwards with its vertex at (0,0).
The graph of f(x) = x^2 is a straight line that passes through (0,0).
The graph of f(x) = x^2 is a parabola that opens upwards with its vertex at the origin (0,0).
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tentukan domain dan kodomain dari fungsi f(x) = 1/(x-2).
Domain: R \ {1}, Kodomain: R \ {0}
Domain: R, Kodomain: R \ {2}
Domain: R \ {2, 3}, Kodomain: R \ {1}
Domain: R \ {2}, Kodomain: R
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Selesaikan persamaan fungsi 3x - 5 = 10.
10
3
5
7
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apa sifat dari fungsi f(x) = -x + 4?
Fungsi konstan dengan nilai 4.
Fungsi linear meningkat dengan kemiringan 1.
Fungsi linear menurun dengan kemiringan -1.
Fungsi kuadratik dengan puncak di (0,4).
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berikan contoh relasi yang bukan fungsi.
Contoh relasi yang bukan fungsi: R = {(1, 2), (1, 3)}.
R = {(2, 3), (4, 5)}
R = {(1, 2), (2, 2)}
R = {(3, 4), (3, 5)}
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