A pump is removing water from a tank at a constant
rate. The graph shows the relationship between the
volume of water in the tank and the number of hours.
What is the y-intercept of the graph, and what does
it represent?
80
(0, 80)
60
Volume (liters)
40
1. Underline each question you need to answer.
20
0
0
2
4
6
8
X
Hours
2. On the graph, circle the point that corresponds to
the y-intercept. Explain how to use this point to
find the y-intercept.
to by Savvas Leam. What does the graph show about how the volume of water in the
tank changes over time?
4. Does the y-intercept represent a starting value or an ending value?
Explain.
5. On the graph, highlight the information that describes the
quantity represented on the y-axis. How does this help you
determine the meaning of the y-intercept?