
Matematika
Presentation
•
Mathematics
•
11th Grade
•
Hard
Banne Gasong
FREE Resource
3 Slides • 2 Questions
1
Persamaan Garis Lurus
Matematika Kelas XI SMA
By Drs. Ahmad Setyawan, MM.Pd.
NIP : 19660101 198901 1 008
2
Tujuan Pembelajaran
Melalui proses pengamatan, bertanya, mengumpulkan informasi, bernalar, diskusi, serta mengasosiasi peserta didik dapat
1.Menentukan persamaan garis lurus yang melalui 2 titik .
2.Menentukan gradien dari suatu garis lurus.
3.Menentukan ciri-ciri garis-garis sejajar.
By Drs. Ahmad Setyawan, MM.Pd.
NIP : 19660101 198901 1 008
3
GRADIEN
Gradien atau kemiringan garis merupakan besarnya perbedaan tinggi (y) dibanding besarnya perbedaan datar (x). Sehingga, gradien suatu garis bisa didefinisikan sebagai berikut:
Gradien suatu garis juga bisa bernilai positif
atau negatif. Apabila garisnya naik dari
kiri ke kanan maka gradiennya positif.
Sebaliknya, kalau garisnya turun dari
kiri ke kanan maka gradiennya negatif
By Drs. Ahmad Setyawan, MM.Pd.
NIP : 19660101 198901 1 008
4
Multiple Choice
Tentukan persamaan garis lurus jika diketahui informasi berikut ini:
memiliki gradien = 3
melalui titik (2,1)
y= x –
y= 3x – 6
y= 3x – 5
y= 2x – 1
5
Multiple Choice
Tentukan persamaan garis lurus yang melewati titik (-1,1) dan (4,6) adalah
y = x + 3
y = x + 2
y = x + 1
y = x
Persamaan Garis Lurus
Matematika Kelas XI SMA
By Drs. Ahmad Setyawan, MM.Pd.
NIP : 19660101 198901 1 008
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