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For what constant k is 1 the minimum value of the quadratic 3x^2 - 12x + k over all real values of x? (x cannot be nonreal)

 Feb 1, 2022
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minimum value occurs at   - b / 2a   =- -12/(2*3)  = 2

 

3 ( 2^2) - 12 ( 2) + k = 1

12         - 24       + k = 1

k = 13

 Feb 1, 2022

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