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Algebra / Linear functions Difficulty: Easy

Hydrogen is placed inside a container and kept at a constant pressure. The graph shows the estimated volume $y$ , in liters, of the hydrogen when its temperature is $x$ kelvins.

What is the estimated volume, in liters, of the hydrogen when its temperature is $500$ kelvins?

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Explanation

Choice C is correct. For the graph shown, the x-axis represents temperature, in kelvins, and the y-axis represents volume, in liters. Therefore, the estimated volume, in liters, of the hydrogen when its temperature is $500$ kelvins is represented by the y-coordinate of the point on the graph that has an x-coordinate of $500$ . The point on the graph with an x-coordinate of $500$ has a y-coordinate of $7$ . Therefore, the estimated volume, in liters, of the hydrogen when its temperature is $500$ kelvins is $7$ .

Choice A is incorrect and may result from conceptual errors.

Choice B is incorrect and may result from conceptual errors.

Choice D is incorrect and may result from conceptual errors.