yg tau tolong jawab ya
Matematika
yuliaelv
Pertanyaan
yg tau tolong jawab ya
1 Jawaban
-
1. Jawaban whongaliem
ma = 3/2
grs a ⊥ grs b ⇒ ma x mb = - 1
3/2 x mb = - 1
mb = - 2/3
grs b melalui titik ( 0 , 3)
pers grs b :
y - yb = mb (x - xb)
y - 3 = - 2/3 (x - 0)
y - 3 = - 2/3 x ..... kalikan dengan 3
3y - 9 = - 2x
2x + 3y - 9 = 0 ...... jawaban : D