Teman tlg bantu jwb ya... 1 b & c, 2 b&c
Matematika
RifkyPrasetio
Pertanyaan
Teman tlg bantu jwb ya... 1 b & c, 2 b&c
1 Jawaban
-
1. Jawaban dillaalf
rumus garis lurus :
y - y1 = m (x - x1)
a.
y - 4 = 3 (x - (-2))
y - 4 = 3x + 6
y = 3x + 10
y - 3x - 10 = 0
b.
y - 1 = -(5/8) . (x - 2)
y - 1 = -(5/8)x + (10/8)
8 (y - 1) = -5x + 10
8y - 8 = -5x + 10
8y +5x - 18 = 0