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inna [77]
3 years ago
12

Write y = 2x^2 + 8x + 3 in vertex form.

Mathematics
1 answer:
krek1111 [17]3 years ago
3 0

Answer:

  y = 2(x + 2)^2 – 5

Step-by-step explanation:

When y = ax^2 +bx +c is written in vertex form, it becomes ...

  y = a(x +b/(2a))^2 +(c -b^2/(4a))

The constant term in the squared binomial is b/(2a) = 8/(2(2)) = +2. Only one answer choice matches:

  y = 2(x +2)^2 -5

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