Jawab:
Garis salin sejajar --> m1 = m2
Saling tegak lurus m1 = -1/m2
Penjelasan dengan langkah-langkah:
lihat lampiran
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___________________
(0, 6) = (x1, y1)
(-2, 0) = (x2, y2)
gradien:
m = y2 - y1 / x2 - x1
m = 0 - 6 / - 2 - 0
m = (-6)/(-2)
m = 3
karena tegak lurus, maka m2 = - 1/3
garis k memotong sumbu x, maka koordinat titik B:
(0, 6) = (x1, y1) --> masukkan ke rumus:
y - y1 = m2 (x - x1)
y - 6 = - 1/3 (x - 0)
__________________ kali 3
3y - 18 = - x
karena memotong sumbu x, maka y = 0
3(0) - 18 = - x
x - 18 = 0
x = 18
HP = {18, 0}
Jawaban: A.
Jawab:
Garis salin sejajar --> m1 = m2
Saling tegak lurus m1 = -1/m2
Penjelasan dengan langkah-langkah:
lihat lampiran