Question: The figure shows the graph of two parallel lines. Which of the following pairs of equations might have such a graph? (a) x - 2y
(a) x - 2y = 3
x + 2y = 7
(b) x + y = 2
x + y = - 1
(c) x - y = -2
x y = 1
(d) x - y = - 2
2x - 2y = - 4
(e) x + 2y = 2
x + 2y = -1

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c The equation x y 2 has slope 1 and yinterce... View full answer
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