Contoh soal :
y = 1/2x + 4
Jawab!
y = 1/2x + 4
x = 0 y = 1/2.0 + 4 y = 4
(0,4)
y =0 0= 1/2 x + 4
-4 = 1/2 x
x = -4 : 1/2
x = -4 x 2/1
X = -8
(-8,0)
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