AceTest
23.04.2021 •
Mathematics
Task 3: A traffic safety engineer was studying travel patterns along a highway. She set up a camera and recorded
the speed and direction of cars and trucks that passed by the camera. Positions to the east of the camera are
positive, and to the west are negative.
Here are some positions and times for one car:
position (feet)
-180
-120
-60
0
60
120
time (seconds)
الا
-2
-1
0
2
In what direction is this car traveling?
Solved
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Ответ:
x=-35
Step-by-step explanation:
-8/5x is gonna be -1.6x and you divide 56 by -1.6x and get x=-35