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    −   2  −2

−2
4

7. Simplify:     
    5    
 
8. Plot the given points on a graph sheet and check if the points lie on a straight line:
(a) (1, 2), (2, 4), (3, 6), (4, 8). (b) (1, 1), (1, 2), (1, 5), (1, –2).
9. Find the cube root of 17576 through estimation.
10. Case study Based question.

Everybody has some hobbies. There is always a calming influence of music on our minds.
It takes a variety of instruments to perform music. A lot of musical performances have
their success on TV, based on songs like ‘Little Champ’, ‘Indian Idol’, and ‘Sa Re Ga Ma Pa.’
Following these popular broadcasts, sales of musical instruments increased. A graph on the
sales was created by “Musical centre,” a seller of musical instruments.

Observe the given graph and answer the questions:
(a) How many instruments have been sold in March?

(b) Which month recorded the maximum amount of sales?
(c) Which month recorded the minimum amount of sales?
(d) What is the difference between the maximum and the minimum number of instruments
sold?

Mathematics-8 360