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What real value of t produces the smallest value of the quadratic t^2 -9t - 36 + t^2 - t + 24?

 Jun 27, 2022
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t^2 -9t - 36 + t^2 - t + 24         simplify

 

2t^2 - 10t - 12

 

The t that produces the minimum is     -(-10) / (2 * 2)  = 10 / 4  =  5 / 2  =  2.5

 

 

 

cool cool cool

 Jun 27, 2022

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