TOPICAL TEST-CHAPTER 6 LINEAR LAW- CLASS POINT PDF

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The diagram on the right shows part of the line of the best fit of against .

Given = 5 − 3 2 , find the value of and ℎ.

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The table below shows the value of two variables, and , obtaioned from an
experiment.
The variables and are related by the equation = , such that and are
constants.

1.5 3.0 4.5 6.0 7.5 9.0
2.51 3.24 4.37 5.75 7.76 10.00

(a) Plot the graph of log10 against , by using a scale of 2 to 1 unit on the -axis
and 2 to 0.1 unit on the log10 -axis. Hence, draw the line of best fit.

(b) From the graph, find the value of

(i) ,
(ii) ,
(iii) when = 4.

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The table below shows the value of two variables, and , obtaioned from an

experiment. The variables and are related by the equation 2 − = ,

such that and are constants.

1 2 3 4 5 6
5 3.5 3.1 2.7 2.6 2.5

(a) Plot the graph of against , by using a scale of 2 to 1 unit on the -axis
and 2 to 2 unit on the axis. Hence, draw the line of best fit.

(b) From the graph in (a), find the
value of
(i) ,
(ii) ,
(iii) when = 3.5.

(c) Calculate the value of when = 50.

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