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Introduction To Graphs

Question
CBSEENMA8003543
Wired Faculty App

Draw the graph for the following data:

Solution
Solution not provided.
Ans. By taking the ‘side of the square’ along the x-axis and the corresponding perimeters along the y-axis, we plot the points (1,4), (2, 8), (3, 12) and (4, 16). On joining these points, we get the required graph, which is a straight line.

Some More Questions From Introduction to Graphs Chapter

The following graph shows the temperature forecast and the actual temperature for each day of a week.
(a) On which days was the forecast temperature the same as the actual temperature?
(b) What was the maximum forecast temperature during the week?
(c) What was the minimum actual temperature during the week?
(d) On which day did the actual temperature differ the most from the forecast temperature?

Use the tables below to draw linear graphs.
The number of days a hill side city received snow in different years.

Population (in thousands) of men and women in a village in different years.

Can there be a time-temperature graph as follows? Justify your answer.

Ratana fell sick. Her doctor maintained a record of her hody temperature, taken every four hours. It is shown in the following time-temperature graph.
(a) During which period the temperature showed a rising trend?
(b) During which period the temperature showed a downward trend?
(c) At what time the temperature was highest?
(d) At what time the temperature was lowest?

Plot the following points on a graph sheet. Verify if they lie on a line:
(a) A (4, 0), B(4, 2), C(4, 6), D(4, 2.5)
(b) P(1, 1), Q(2, 2), R(3, 3), S(4, 4)
(c) K(2, 3), L(5, 3), M(5, 5), N(2, 5)

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.

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