Mathematics, 26.03.2021 16:20, tabyers2645

Justine correctly used completing the square to rewrite the quadratic expression 2x2 – 12x + 25 as 2(x - 3)2 + 7.
After seeing the new form of the expression, Justine
said that the expression had a minimum value of 7
when xis -3. Is Justine right?

Answers: 2

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Justine correctly used completing the square to rewrite the quadratic expression 2x2 – 12x + 25 as...