The table shows the relationship between the speed of a car and the distance that it requires to stop after the brake has been appliec given pressure. Speed (km/h) Stopping Distance (m) 40 6.6 60 14.9 80 26.5 90 33.5 100 41.4 The data can be modelled by the quadratic regression equation in the form y = ax + bx + c, where x represents the speed and y represents the stopping distance. km/h. If the stopping distance of the car is 30.7 m, then the car was travelling at a speed, to the nearest tenth, of (Record your answer in the numerical-response section on the answer sheet.)
The table shows the relationship between the speed of a car and the distance that it requires to stop after the brake has been appliec given pressure. Speed (km/h) Stopping Distance (m) 40 6.6 60 14.9 80 26.5 90 33.5 100 41.4 The data can be modelled by the quadratic regression equation in the form y = ax + bx + c, where x represents the speed and y represents the stopping distance. km/h. If the stopping distance of the car is 30.7 m, then the car was travelling at a speed, to the nearest tenth, of (Record your answer in the numerical-response section on the answer sheet.)
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter3: Functions And Graphs
Section3.3: Lines
Problem 76E
Related questions
Question
![The table shows the relationship between the speed of a car and the distance that it requires to stop after the brake has been applied with a
given pressure.
Speed (km/h)
Stopping Distance (m)
40
6.6
60
14.9
80
26.5
90
33.5
100
41.4
The data can be modelled by the quadratic regression equation in the formy = ax bx + C,
where x represents the speed and y represents the stopping distance.
%3D
km/h.
If the stopping distance of the car is 30.7 m, then the car was travelling at a speed, to the nearest tenth, of
(Record your answer in the numerical-response section on the answer sheet.)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F7731a742-afef-4e39-ad5d-a34aba8a3aa0%2Fa3e5fa22-3ef2-4ce8-9c0e-ad224f8ac295%2Fkf3pz4e_processed.jpeg&w=3840&q=75)
Transcribed Image Text:The table shows the relationship between the speed of a car and the distance that it requires to stop after the brake has been applied with a
given pressure.
Speed (km/h)
Stopping Distance (m)
40
6.6
60
14.9
80
26.5
90
33.5
100
41.4
The data can be modelled by the quadratic regression equation in the formy = ax bx + C,
where x represents the speed and y represents the stopping distance.
%3D
km/h.
If the stopping distance of the car is 30.7 m, then the car was travelling at a speed, to the nearest tenth, of
(Record your answer in the numerical-response section on the answer sheet.)
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