Jazlene Villarreal

Mathematics

16 August, 17:45

Marvin was completing the square, and his work is shown below. Identify the line where he made his mistake. f (x) = 2x2 - 8x + 5 Line 1: f (x) = 2 (x2 - 8x) + 5 Line 2: f (x) = 2 (x2 - 8x + 16) + 5 - 32 Line 3: f (x) = 2 (x - 4) 2 - 27

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