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y = 18 - 5xThe equation above represents the speed y, in feet per second, of Sheilas bicycle x seconds after she applied the brakes at the end of a ride. If the equation is graphed in the xy-plane, which of the following is the best interpretation of the x-coordinate of the lines x-intercept in the context of the problem?

y = 18 - 5xThe equation above represents the speed y, in feet per second, of Sheilas-example-1
User Lho Ben
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The graph of the line is:

The x intercept represents the time it took the bicycle to stop.

Therefore the answer is C.

y = 18 - 5xThe equation above represents the speed y, in feet per second, of Sheilas-example-1
User Fernando Cervantes
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