1. Draw the graphs for the following tables of values, with suitable scales on the axes.
(a) Cost of apples
Solution:
(b) Distance travelled by a car
(i) How much distance did the car cover during the period 7.30 a.m. to 8 a.m.?
(ii) What was the time when the car had covered a distance of 100 km since it’s start?
Solution:
(i) The car covered 20 km distance during the period 7:30 a.m to 8 a.m.
(ii) It was 7:30 a.m.
(c) Interest on deposits for a year.
(i) Does the graph pass through the origin?
(ii) Use the graph to find the interest on Rs 2500 for a year.
(iii) To get an interest of Rs. 280 per year, how much money should be deposited?
Solution:
(i) Yes, the graph passes through the origin.
(ii) For a year the Interest on Rs. 2500 is Rs. 200.
(iii) Rs. 3500 should be deposited for interest of Rs. 280
2. Draw a graph for the following
(i)
Is it a linear graph?
Solution:
Yes, it is linear graph
(ii)
Is it a linear graph?
Solution:
No, it is not a linear graph because the graph does not provide a straight line.
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