1. Gambarlah garis lurus dengan persamaan: y = 2x + 3, dengan X=-3,-2,-1,0, 1, 2. Buat tabel dahulu!
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Jawaban:
x = -3 --- y = 2(-3) +3 = -3
x = -2 --- y = 2(-2) +3 = -1
x = -1 --- y = 2(-1) +3 = 1
x = 0 --- y = 2(0) +3 = 3
x = 1 --- y = 2(1) +3 = 5
x = 2 --- y = 2(2) +3 = 7
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