Question

1. Identify in which of the following tables, do the variables x and y vary directly. (i) 105 6 16 10 y 21 1.5 3.2 2 X



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Answer 1

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x=3,y=4.5

y

x

=

3

2

x=5,y=7.5

y

x

=

3

2

x=8,y=12

y

x

=

3

x=11,y=16.5

y

x

=

3

2

All the values are in proportion.