The graph titled distance to airport shows distance in miles on the vertical axis and time in hours in horizontal axis. The graph starts at (0, 525) and ends at the point (3.75, 0).
Which of these correctly describes the meaning of the y-intercept of the graph?
A.
The helicopter ends its journey 525 miles away from the airport.
B.
The helicopter takes 3.75 hours to travel to its final destination at the airport.
C.
The helicopter begins its journey 525 miles away from the airport.
D.
The helicopter takes 3.75 hours to travel to its final destination away from the airport.
1 answer
The y-intercept of the graph corresponds to the value of the distance when time is zero. In this case, the y-intercept is 525 miles, which occurs when the helicopter has just started its journey.
Thus, the correct description of the y-intercept is:
C. The helicopter begins its journey 525 miles away from the airport.
