True False[1 Marks ]

Question 11 Mark

Write whether the following statements are True or False? Justify your answer.
(-1, 7) is a point in the II quadrant.

Answer

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

Question 21 Mark

Write whether the following statements are True or False? Justify your answer.
Points (1, -1) and (-1, 1) lie in the same quadrant.

Answer

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.

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Question 31 Mark

Write whether the following statements are True or False? Justify your answer.
Point (3, 0) lies in the first quadrant.

Answer

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

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Question 41 Mark

Write whether the following statements are True or False? Justify your answer.
The coordinates of a point whose ordinate is $-\frac{1}{2}$ and and abscissa is 1 are $-\frac{1}{2},\ 1$

Answer

False.
Solution:
Because stating the coordinates of a point abscissa comes first and then ordinate $\Big(1, -\frac{1}{2}\Big)$

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Question 51 Mark

Write whether the following statements are True or False? Justify your answer.
A point lies on y-axis at a distance of 2 units from the x-axis. Its coordinates are (2, 0).

Answer

False.
Solution:
Because point (2, 0) lies on X-axis whose distance from Y-axis is 2 units.

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MATHS True False[1 Marks ]

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