Question

Tentukan beberapa persamaan garis yang melalui titik (-4,3) dan memenuhi syarat

Answer 1

4] (-4, 3)

a] y - y1 = m (x - x1)

y - 3 = -2 (x + 4)

y = -2x - 8 + 3

y = -2x - 5

b] m = (y2 - y1) / (x2 - x1)

m = (-5 + 3) / (-6 - 5)

m = -2/-11

m = 2/11

y - y1 = m (x - x1)

y - 3 = 2/11 . (x + 4)

11 (y - 3) = 2 (x + 4)

11y - 33 = 2x + 8

2x - 11y + 33 + 8 = 0

2x - 11y + 41 = 0

c] ax + by + c = 0, tegak lurus, (p, q)

bx - ay - (bp - aq) = 0

2x + y - 6 = 0, tegak lurus, (-4, 3)

x - 2y - (1 . -4 - 2 . 3) = 0

x - 2y - (-4 - 6) = 0

x - 2y - (-10) = 0

x - 2y + 10 = 0

Kelas 8

Pelajaran Matematika

Bab 3 Persamaan Garis

Kata kunci : -

Kode kategorisasi : 8.2.3

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