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If t is a real number, what is the maximum possible value of the expression -t^2 + 8t -4 - 3t^2 - 11?

 Nov 25, 2022
 #1
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Combine like terms: -4t^2 + 8t - 15

Use vertex form: -4(t^2 - 2t + 1) - 11

-4(t - 1)^2 - 11      => (h, k) = (1, -11)

Maximum possible value is -11

 Nov 26, 2022

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