Transformasi Geomteri
Passage
•
Mathematics
•
8th Grade
•
Practice Problem
•
Hard
Alya Wulandari
FREE Resource
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5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
Bayangan titik P(a,b) oleh rotasi terhadap titik pusat (0,0) sebesar -90⁰ adalah P′(-10, -2). Nilai dari a + 2b = ....
18
-18
8
-8
2.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
Bayangan titik A dengan A(-1, 4) jika direflesikan terhadap garis y= -x adalah ....
A′ (4, 1)
A′ (-4, -1)
A′ (4, 1)
A′ (-4, 1)
3.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
Bayangan titik P(5, 4) jika didilatasikan terhadap pusat (-2, -3) dengan faktor skala -4 adalah .....
(-30, 7)
( -14, -1)
(-30, -31)
(-14, -1)
4.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
Titik B(3, -2) dirotasikan sebesar 90⁰ terhadap titik pusat P(-1, 1). Bayangan titik B adalah ....
B′ (1, 4)
B′ (-2, 1)
B′ (2, 5)
B′ (-2, 1)
5.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
Diketahui koordinat titik P(-8, 12). Dilatasi (P, 1) memetakan titik (-4, 8) ke titik ....
(4, -8)
(4, 16)
(-4, -8)
(-4, 8)
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