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प्रश्न
The points (3, 5) and (5, 3) represent the same point.
विकल्प
True
False
उत्तर
This statement is False.
Explanation:
Two ordered pairs are equal, if they have same numbers at corresponding slot, i.e. x-coordinates are equal and y-coordinates are equal.
Hence, (3, 5) and (5, 3) are different points.
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संबंधित प्रश्न
Locate the points:
(2, 1), (2, 2), (2, 3), (2, 4)
The following table gives the information regarding the number of persons employed to a piece of work and time taken to complete the work:
| Number of persons: | 2 | 4 | 6 | 8 |
| Time taken (in days): | 12 | 6 | 4 | 3 |
Plot a graph of this information.
______ displays data that changes continuously over periods of time.
The process of fixing a point with the help of the coordinates is known as ______ of the point.
The y-coordinate of any point lying on the x-axis will be zero.
Study the graph given below of a person who started from his home and returned at the end of the day. Answer the questions that follow.
- At what time did the person start from his home?
- How much distance did he travel in the first four hours of his journey?
- What was he doing from 3 pm to 5 pm?
- What was the total distance travelled by him throughout the day?
- Calculate the distance covered by him in the first 8 hours of his journey.
- At what time did he cover 16 km of his journey?
- Calculate the average speed of the man from (a) A to B (b) B to C.
- At what time did he return home?
Consider this input/output table.
| Input | 1 | 2 | 4 | 5 | 7 |
| Output | 2 | 5 | 11 | 14 | 20 |
- Graph the values from the table by taking Input along horizontal axis from 0 to 8 and Output along vertical axis from 0 to 24.
- Use your graph to predict the outputs for inputs of 3 and 8.
The points on the graph below represent the height and weight of the donkey, dog, crocodile, and ostrich shown in the drawing.
- What are the two variables represented in the graph?
- Which point represents each animals? Explain.
