
TRANSFORMASI GEOMETRI
Presentation
•
Mathematics
•
12th Grade
•
Practice Problem
•
Hard
Wahyu Sulistyorini
Used 9+ times
FREE Resource
3 Slides • 5 Questions
1
By Wahyu Sulistyorini
Assesmen Diagnostik-Kognitif
MATEMATIKA KELAS XI
SEMESTER GENAP
Guru Mapel: Wahyu Sulistyorini
2
TRANSLASI (pergeseran)
Jika translasi T = (a b) memetakan titik P(x,y)
ke titik P'(x',y') maka berlaku rumus:
x' = x + a
y' =y + b
3
Contoh:
1.Titik A(5,6) ditranslasi oleh T = (2 3)
Tentukan titik hasil translasinya!
Jawab:
A' = ( x + a, y + b )
= ( 5 + 2, 6 + 3 ) = ( 7 , 9 )
2.Tentukan bayangan B(-4,2) ditranslasikan
berturut-turut oleh (2 2) dan (4 1) !
Jawab:
Translasi......(2 2) + (4 1) = ( 6 3)
B' = (x + a, y + b)
= ( -4 + 6, 2 + 3) = ( 2 , 5 )
4
Multiple Choice
T = (a b) dan A( 5 8) Bayangan titik A oleh translasi T adalah A'(3,4)
Maka nilai a dan b adalah......
8 dan 12
2 dan 4
-8 dan -12
-2 dan -4
11 dan 9
5
Multiple Choice
Persamaan bayangan garis y -5x + 5 = 0 oleh translasi T = (-1 3) adalah......
y + 5x - 3 = 0
y - 5x - 3 = 0
3y - x - 3 = 0
5y - 3x - 3 = 0
y - 5x + 3 = 0
6
Fill in the Blanks
Bayangan titik A(4,3) jika ditranslasi oleh T = ( 1 -1) adalah
Type answer...
7
Open Ended
Persamaan bayangan garis x+ 3y + 2 = 0 oleh translasi T = (-1 2) adalah.....
8
Open Ended
Persegi panjang ABCD dengan A(1,1); B(5,1); C(5,6) dan D(1,6) ditranslasikan oleh
(-4 3) diteruskan oleh translasi (x y) menghasilkan bayangan A'(4,8)
a. Tentukan translasi (x y)
b. Tentukan koordinat titik yang lain
By Wahyu Sulistyorini
Assesmen Diagnostik-Kognitif
MATEMATIKA KELAS XI
SEMESTER GENAP
Guru Mapel: Wahyu Sulistyorini
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