Mathematics
A point lies on the y-axis at a distance of 3 units below the x-axis. The co-ordinates of this point are :
(0, 3)
(0, -3)
(3, 0)
(-3, 0)
Reflection
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Answer
A point lying on the y-axis has an x-coordinate of 0.
A distance of 3 units means the y-coordinate is ± 3
"3 units below x-axis" implies the y-coordinate is negative.
Therefore, the co-ordinates of the point are (0, -3).
Hence, Option 2 is the correct option.
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(0, 5)
(0, -5)
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A line parallel to the x-axis at a distance of 4 units below the x-axis.
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What does the line y = 8 represent?
A line parallel to the y-axis at a distance of 8 units to the left of the y-axis.
A line parallel to the y-axis at a distance of 8 units to the right of the y-axis.
A line parallel to the x-axis at a distance of 8 units below the x-axis.
A line parallel to the x-axis at a distance of 8 units above the x-axis.