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2) y/x = -1/5 jawaban B
3) (4-0) / (-1-0) = -4 jawaban A
4) (-3-0) / (-2-0) = -3/-2 = 3/2 jawaban D
5) (-6-4) / (-3-2) = -10/-5 = 2 jawaban A
6) (-8-6) / (4+3) = -14/7 = -2 jawaban D
7) 0/a = 0 jawaban A
8) jawaban D , lihat koefisien x/koefisien y = 4/1 = 4
9) -a/b = 4/8 = 1/2 jawaban B
10) (a-4) / (3-2) = 3
(a-4)/1 = 3
a-4 = 3
a = 7 jawaban C
11) sejajar gradiennya sama = -7/3 = -2 1/3 jawaban D
12) tegak luru maka m2 = -1/m1 = -1/(2/3) = -3/2 = -1 1/2 awaban D
13) gradient garis k = 2
gradient garis l = -1/2
maka garis k tegak lurus
jawaban C
14) y = -4/5 x kalikan 5
5y = -4x
4x + 5y = 0
jawaban D