Q1 of 17 Page 187

Find the distance between the two points on the number line, denoted by each pair of numbers given below:

i) 1, –5



i) 1, -5 -5 1


As we know that the distance between the two points on the number line is the difference between the larger and the smaller number. Here, the larger no. = 1 the smaller no. = -5 Therefore, the distance between the points (1,-5) = {1-(-5)} = 1 + 5 = 6




-1 0 1 2


As we know that the distance between the two points on the number line is the difference between the larger and the smaller number. Here, the larger no. = the smaller no. = Therefore, the distance between the points () = ()


= =




As we know that the distance between the two points on the number line is the difference between the larger and the smaller number. Here, the larger no. = the smaller no. = Therefore, the distance between the points =


=




As we know that the distance between the two points on the number line is the difference between the larger and the smaller number. Here, the larger no. = the smaller no. = Therefore, the distance between the points



v) –, -



As we know that the distance between the two points on the number line is the difference between the larger and the smaller number. Here, the larger no. = – = -1.414 (upto 3 decimal places) the smaller no. = - = -1.732 (upto 3 decimal places) Therefore, the distance between the points ( –, -) = {–– (- )}


= (– ) = -1.414 + 1.732


= 0.318


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