Question

Yg no. 20 aja y sama caranya

Answer 1

Nomer 20
gradien garis g
mg = (y2 - y1)/(x2-x1)
mg = (4+6)/(-4-2)
mg = 10/-6
mg = - 10/6

karena tegak lurus
mg = -10/6
mh = 6/10 = 3/5

persamaan garis h
y - y1 = m ( x - x 1)
y + 6 = 3/5 ( x +5)
5y + 30 = 3(x + 15)
5y + 30 = 3x + 45
5y - 3x = 45 - 30
5y - 3x = 15 (C)