Mathematics
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.
Reflection
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Answer
An equation of the form y = k represents a straight line parallel to the x-axis.
Since k = 8, the line is 8 units away from the x-axis above it.
Hence, Option 4 is the correct option.
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Related Questions
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)
What does the line x = -4 represent?
A line parallel to the x-axis at a distance of 4 units above the x-axis.
A line parallel to the x-axis at a distance of 4 units below the x-axis.
A line parallel to the y-axis at a distance of 4 units to the left of the y-axis.
A line parallel to the y-axis at a distance of 4 units to the right of the y-axis.
Reflection of point P(a, b) in x-axis is :
P'(a, b)
P'(-a, b)
P'(a, -b)
P'(-a, -b)
Reflection of point P(a, b) in y-axis is :
P'(a, b)
P'(-a, b)
P'(a, -b)
P'(-a, -b)