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प्रश्न
Decide which of the following statements is true and which is false. Give reasons for your answer.
A point whose y-coordinate is zero, will lie on x-axis.
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उत्तर
The examples of points having y-coordinate as zero are (3,0), (6,0), (9,0). This can be represented in the following manner:

From figure above, it can be seen that these points lie on the x-axis. Hence, the statement is true.
संबंधित प्रश्न
Plot the following points on a graph sheet. Verify if they lie on a line
A(4, 0), B(4, 2), C(4, 6), D(4, 2.5)
Locate the points:
(1, 3), (2, 3), (3, 3), (4, 3)
The following table gives the information regarding length of a side of a square and its area:
| Length of a side (in cm): | 1 | 2 | 3 | 4 | 5 |
| Area of square (in cm2): | 1 | 4 | 9 | 16 | 25 |
Draw a graph to illustrate this information.
In the given graph the coordinates of point x are ______.

______ displays data that changes continuously over periods of time.
Match the coordinates given in Column A with the items mentioned in Column B.
| Column A | Column B |
| (1) (0, 5) | (a) y coordinate is 2 × x - coordinate + 1. |
| (2) (2, 3) | (b) Coordinates of origin. |
| (3) (4, 8) | (c) Only y–coordinate is zero. |
| (4) (3, 7) | (d) The distance from x-axis is 5. |
| (5) (0, 0) | (e) y coordinate is double of x-coordinate. |
| (6) (5, 0) | (f) The distance from y-axis is 2. |
Find the coordinates of all letters in the graph given below.

Write the y-coordinate (ordinate) of the given point.
(2, 7)
The graph given below compares the sales of ice creams of two vendors for a week.

Observe the graph and answer the following questions.
- Which vendor has sold more icecreams on Friday?
- For which day was the sales same for both the vendors?
- On which day did the sale of vendor A increase the most as compared to the previous day?
- On which day was the difference in sales the maximum?
- On which two days was the sales same for vendor B?
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.
