SOLUTION: The position of an object moving in a straight line is given by s=2t^2-3t, where s is in metres and it is the time in seconds the object has been in motion. How long (to the neares

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Question 1027447: The position of an object moving in a straight line is given by s=2t^2-3t, where s is in metres and it is the time in seconds the object has been in motion. How long (to the nearest tenth) will it take the object to move 5 metres?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
2t%5E2-3t=5
2t%5E2-3t-5=0
%28t%2B1%29%282t-5%29=0
Only the positive solution makes sense here.
2t-5=0
2t=5
t=5%2F2s