## Answers

**Question 1**.

The equation of the line is given as y = 0.28503x + 93.921, where 'y' is the pressure in kPa and 'x' is the temperature in ^{o}C.

Here, the y-intercept is 93.921, which indicates "The value of 'y' at x = 0"

i.e. The physical value of the intercept (93.921 kPa) tells you "the value of pressure (in kPa) at 0 ^{o}C temperature".

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