Sumatif Tengah Semester Genap Kls 9
Authored by Maxi Tambajong
Mathematics
9th Grade
Used 2+ times
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27 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Titik A(3, -5) diterjemahkan oleh T(-2, 4). Koordinat titik bayangan A adalah...
(1, -1)
(5, -9)
(-1, 1)
(-5, 9)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jika titik B(4, 2) diputar menuju sumbu x, koordinat titik bayangan B adalah...
(4, -2)
(-4, 2)
(-4, -2)
(2, 4)
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Titik C(-3, 1) diputar 90° berlawanan arah jarum jam dengan pusat O(0, 0). Koordinat titik bayangan C adalah...
(1, 3)
(-1, -3)
(-1, 3)
(1, -3)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dua bentuk datar dikatakan kongruen jika...
Ukuran dan bentuknya sama
Ukuran sama, bentuk berbeda
Ukuran berbeda, bentuk sama
Ukuran dan bentuk berbeda
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Titik D(2, 3) didilatasi dengan faktor skala 2 dan pusat O(0, 0). Koordinat titik bayangan D adalah...
(4, 6)
(1, 1.5)
(6, 4)
(3, 2)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Transformasi T(a, b) memetakan titik E(1, -4) ke titik E'(-3, 2). Nilai a dan b adalah...
a = -4, b = 6
a = 4, b = -6
a = -2, b = -2
a = 2, b = 2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jika garis y = 2x + 1 dipantulkan terhadap garis y = x, persamaan bayangannya adalah...
x = 2y + 1
y = -2x + 1
x = -2y + 1
Tentukan nilai y = 1/2x - 1/2
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