Maths True False[1 Marks ]

False.
Solution: Since the ordinate of the point (3, 0) is zero. So, the point lies on X-axis.

True.
Solution : Because in a point (-1, 7) abscissa is negative and ordinate is positive.

False.
Solution: Because in point (1, -1) x-coordinate is positive and y-coordinate is negative, so it lies in IV quadrant and in (-1, 1), x-coordinate is negative and y-coordinate is positive, so it lies in II quadrant.