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26-06-2020
Mathematics

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Express the function y = 2 x 2 + 8 x + 1 in vertex form.

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Аноним Аноним

26-06-2020

Answer:

y = 2(x + 2)² - 7

Step-by-step explanation:

y = 2x² + 8x + 1

= 2x² + 8x + 8 - 8 + 1

= 2(x² + 4x + 4) - 8 + 1

= 2(x + 2)² - 7

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