Mathematics, 14.04.2021 23:40 presasjenifer1
9. Scott is solving the equation x2 – 14x + 7 = 18 by completing the square. His friend
Joey said that he made a mistake. Help Scott find the mistake and describe to him how
he could fix the mistake. Afterwards, fix the mistake. (4 points)
x² -
70
- 14x + 7 = 18
x² - 14 = 11
x² -
- 14x + 49 = 114
(x - 7² = 11 €
*-7 = +V11
* = 7 + V11
Answers: 1
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9. Scott is solving the equation x2 – 14x + 7 = 18 by completing the square. His friend
Joey said t...
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