English

The table given below shows the temperatures recorded on a day at different times. Observe the table and answer the following questions. What is the temperature at 8 am?

Advertisements
Advertisements

Question

The table given below shows the temperatures recorded on a day at different times.


Observe the table and answer the following questions.

  1. What is the temperature at 8 am?
  2. At what time is the temperature 3°C?
  3. During which hour did the temperature fall?
  4. What is the change in temperature between 7 am and 10 am?
  5. During which hour was there a constant temperature?
Graph
Advertisements

Solution

Observing the given graph carefully, we have

  1. At 8 am, the temperature is 7°C.
  2. At 6 am, the temperature is 3°C.
  3. The temperature fall in the hour 5 am to 6 am.
  4. The change in temperature is 3°C between 7 am and 10 am.
  5. Between 8 am to 9 am, there was a constant temperature.
shaalaa.com
  Is there an error in this question or solution?
Chapter 12: Introduct To Graphs - Exercise [Page 387]

APPEARS IN

NCERT Exemplar Mathematics Exemplar [English] Class 8
Chapter 12 Introduct To Graphs
Exercise | Q 63. | Page 387

Video TutorialsVIEW ALL [1]

RELATED QUESTIONS

Draw the line passing through (2, 3) and (3, 2). Find the coordinates of the points at which this line meets the x-axis and y-axis.


Find the coordinates of points PQR and S in Fig. 27.8.


Decide which of the following statement is true and which is false. Give reasons for your answer.

 A point whose x-coordinate is zero, will lie on the y-axis.


Plot the following points and verify if they lie on a line. If they lie on a line, name it.
A (1, 1), B (1, 2), C (1, 3), D (1, 4)

In the given graph the letter that indicates the point (0, 3) is ______.


The point (3, 4) is at a distance of ______.


Plot the given points on a graph sheet and check if the points lie on a straight line. If not, name the shape they form when joined in the given order.

(4, 2), (2, 4), (3, 3), (5, 4)


Locate the points A(1, 2), B(4, 2) and C(1, 4) on a graph sheet taking suitable axes. Write the coordinates of the fourth point D to complete the rectangle ABCD.


Extend the line segment on both sides to meet the coordinate axes. What are the coordinates of the points where this line meets the x-axis and the y-axis?


Observe the toothpick pattern given below:

(a) Imagine that this pattern continues. Complete the table to show the number of toothpicks in the first six terms.

Pattern 1 2 3 4 5 6
Toothpicks 4     13    

(b) Make a graph by taking the pattern numbers on the horizontal axis and the number of toothpicks on the vertical axis. Make the horizontal axis from 0 to 10 and the vertical axis from 0 to 30.

(c) Use your graph to predict the number of toothpicks in patterns 7 and 8. Check your answers by actually drawing them.

(d) Would it make sense to join the points on this graph? Explain.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×