Complete the square to determine the minimum or maximum value of the function the expression defines. x2 − 38x + 9 a) maximum value at 361 b) minimum value at −352 c) maximum value at −352 d) minimum value at −361

minimum value at −352

Step-by-step explanation:

First, set the expression equal to 0.

x2 − 38x + 9 = 0

Complete the square.

x2 − 38x = −9

x2 − 38x + 361 = 352

(x − 19)2 − 352 = 0

Therefore, the minimum value is −352.

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step-by-step explanation: