Posted by **Deborah** on Wednesday, October 17, 2012 at 4:46pm.

1. Which of these physical situations describes an inversely proportional relationship?

(Points : 1)

The volume always decreases as the pressure increases.

The volume always increases as the pressure increases.

The pressure vs. volume graph is a straight line passing through the y-axis above the origin.

The pressure vs. volume graph is a straight line passing through the origin.

2. Which of these would illustrate that volume is directly proportional to time in an experiment?

(Points : 1)

The volume always decreases as the time increases.

The volume vs. time graph is a curved line rising to the right.

The volume vs. time graph is an S-shaped line rising to the left.

The volume vs. time graph is a straight line rising to the right.

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