Q48 of 90 Page 372

Complete the given tables and draw a graph for each.

A)



Here, y = 3x + 1


When x = 2,


y = 3(2) + 1 = 6 + 1 = 7


When x = 3,


y = 3(3) + 1 = 9 + 1 = 10


The points in the graph are given as:


A = (0,1)


B = (1,4)


C = (2,7)


D = (3,10)



The line segments:



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46

The cost of a note book is Rs 10. Draw a graph after making a table showing cost of 2, 3, 4 ... note books. Use it to find

A) the cost of 7 notebooks.


B) The number of note books that can be purchased with Rs50.

 47

Explain the situation represented by the following distance-time graphs.



 48

Complete the given tables and draw a graph for each.

 49

Study the given graph (a) and (b) and complete the corresponding tables below.

A)



B)