Jawab:
Penjelasan dengan langkah-langkah:
y = -2x + 5
m1 = -2
untuk tegak lurus maka m1 x m2 = -1
-2 x m2 = -1
m2 = (1/2)
Persamaan garis yang melalui (4,-1):
y-y1 = m(x-x1)
y - (-1) = (1/2) (x - 4)
y + 1 = (1/2)x - 2
(1/2)x - 2 - y - 1 = 0
(1/2)x - y - 1 = 0
x - 2y - 2 = 0 Jawaban A
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Jawab:
Penjelasan dengan langkah-langkah:
y = -2x + 5
m1 = -2
untuk tegak lurus maka m1 x m2 = -1
-2 x m2 = -1
m2 = (1/2)
Persamaan garis yang melalui (4,-1):
y-y1 = m(x-x1)
y - (-1) = (1/2) (x - 4)
y + 1 = (1/2)x - 2
(1/2)x - 2 - y - 1 = 0
(1/2)x - y - 1 = 0
x - 2y - 2 = 0 Jawaban A