Plotting a point

Q. The distance of point (0, a) where a is any real number from Y-axis is

1. 1 Unit
2. 2 units
3. a units
4. 0 Unit

Q. The distance of a point P(x, y) is always same from the origin(0, 0). The point P lies on a ___.

1. Square
2. Circle
3. Rectangle
4. Parallelogram

Q. The mirror image of point P(2, 3) taken about the origin is point P'. Find the coordinates of P'.

1. $(-2,-\sqrt{7})$
2. $(-2,-3)$
3. (-3, -2)
4. $(-\sqrt{7},-3)$

Q. For any point on the x-axis, its y-coordinate is zero.

1. True
2. False

Q. The distance of point (0, a) where a is any real number from Y-axis is

1. 2 units
2. a units
3. 0 Unit
4. 1 Unit