
Dilatasi
Authored by Ummah Ahmed
Mathematics
9th - 12th Grade

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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sebuah titik P(-4, 7) didilatasikan dengan pusat O(0, 0) dan faktor skala -2. Bayangan dari titik P adalah …
(-8, -14)
(-8, 14)
(8, 14)
(8, -14)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sebuah titik C(8, 10) didilatasikan dengan pusat (0, 0) dan faktor skala . Bayangan titik C adalah ….
(-4, -5)
(-4, 5)
(4, -5)
(4, 5)
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Diketahui sebuah titik E(a, b) didilatasikan terhadap titik (0, 0) dan faktor skala -4 menghasilakan bayangan E’(12, -8).
Nilai a + b adalah ….
-5
-1
1
5
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Bayangan titik P pada dilatasi [O, -3] adalah (-12, 15). Koordinat titik P adalah ….
(-36, 45)
(36, -45)
(4, -5)
(-4, 5)
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Segitiga ABC memiliki ,koordinat titik
A(1, 0), B(1, 4), dan C(5, 4). Segitiga ABC didilatasikan dengan pusat O(0, 0) dan faktor skala 2.
Luas segitiga ABC setelah ditransformasi adalah ….. satuan luas
8
16
32
64
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jika R'(-2,3) merupakan bayangan dari R(8,-12) yang didilatasikan dengan titik pusat O(0,0). Berapakah faktor skalanya?
4
1/4
-1/4
-4
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dilatasi titik (x, y) sebesar 3 kali akan menghasilkan bayangan di titik ...
(x , y) → (3x , 3y)
(x , y) → (x + 3 , y + 3)
(x , y) → (3xy)
(x , y) → (2x , 2y)
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