8
advanced-mathConvert to standard form.
A
B
C
D
Correct Answer: A
Choice A is the correct answer. To convert from vertex form to standard form:
- Expand the squared binomial: .
- Add the constant term: .
- Combine like terms: .
Choice B is incorrect because it likely subtracted 2 instead of adding, or calculated . Choice C is incorrect because it misses the middle term . Choice D is incorrect because the middle term is .