Find the equation of a straight line parallel to y-axis and passing through the point (-3, 5).
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We know that the equation of straight line parallel to y-axis is
x = a
Since the line passes through the point (-3, 5), we get
a = -3
∴ Equation of the line ⇒ x = -3 or x + 3 = 0.
Hence, the equation of straight line is x + 3 = 0.
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Find the equation of a straight line parallel to y-axis which is at a distance
(i) 3 units to the right
(ii) 2 units to the left.
Find the equation of a straight line parallel to x-axis which is at a distance
(i) 2 units above it
(ii) 3 units below it