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Find all values of t such that 8t^2 smaller or equal to 3-10t.

Write your answer in interval notation.

 Mar 5, 2022
 #1
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8t^2 <= -10t+3

8t^2  + 10 t   -3   <= 0            This is a bowl shaped parabola......the area in question will be between and include the zeroes

 

quadratic formula shows the zeroes (roots)         t = 1/4   and - 1.5  

 

-1.5 <= t <= .25  

 Mar 5, 2022

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