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Question
Write whether the graph of the equation given below is parallel to the X-axis or parallel to the Y-axis.
x + 6 = 0
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Solution
x + 6 = 0
⇒ x = −6
x = −6 is the equation of the line parallel to the Y-axis at a distance of 6 units from it to its left.
Thus, the graph of the line x + 6 = 0 is parallel to the Y-axis.
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