Question
The graph below models the acceleration of a car. Interpret the meaning of the vertex.
graph
The vertex of the parabola is at point left-parenthesis 10 comma 60 right-parenthesis. The negative root is at point left-parenthesis 0 comma 0 right-parenthesis. The positive root is at point left-parenthesis 20 comma 0 right parenthesis. The y-intercept is at point left-parenthesis 0 comma 0 right-parenthesis.
(1 point)
Responses
The car traveled 10 miles in 60 seconds.
The car traveled 10 miles in 60 seconds.
It took the car 20 seconds to accelerate.
It took the car 20 seconds to accelerate.
It took the car 10 seconds to reach a speed of 60 miles per hour.
It took the car 10 seconds to reach a speed of 60 miles per hour.
It took the car 20 seconds to reach a speed of 60 miles per hour.
graph
The vertex of the parabola is at point left-parenthesis 10 comma 60 right-parenthesis. The negative root is at point left-parenthesis 0 comma 0 right-parenthesis. The positive root is at point left-parenthesis 20 comma 0 right parenthesis. The y-intercept is at point left-parenthesis 0 comma 0 right-parenthesis.
(1 point)
Responses
The car traveled 10 miles in 60 seconds.
The car traveled 10 miles in 60 seconds.
It took the car 20 seconds to accelerate.
It took the car 20 seconds to accelerate.
It took the car 10 seconds to reach a speed of 60 miles per hour.
It took the car 10 seconds to reach a speed of 60 miles per hour.
It took the car 20 seconds to reach a speed of 60 miles per hour.
Answers
GPT 3.5
The correct interpretation of the vertex is: It took the car 10 seconds to reach a speed of 60 miles per hour.