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shadekashakay
27.11.2019 •
Mathematics
Write the quadratic function in vertex form.
y = x2 - 2x + 5
y = (x + 1)2 - 4
y = (x - 1)2 - 4
y = (x + 1)2 + 4
y = (x - 1)2 + 4
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Ответ:
The answer to your question is y = (x - 1)² + 4
Step-by-step explanation:
y = x² - 2x + 5
Complete perfect square trinomial
y - 5 = x² - 2x
y - 5 + ( )² = x² - 2x + ( )²
y - 5 + (1)² = x² - 2x + (1)²
y - 5 + 1 = x² - 2x + 1
Factor and simplify y - 4 = (x - 1)²
y = (x - 2)² + 4
Ответ: