Which of the following represent a line parallel to x-axis? a) x - y = 7b) 2x + 3y = 1z c) x + 5 = 0 d) 3y - 3 = 2y + 2
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answer: d
for a line to be parallel to x axis , it's y coordinate must be constant
we can write option d as y=5 which is a constant
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