21
QuizMultiple Choice
Cumulative Exam — Cumulative exam
Question 21 • EA Academy Algebra I
The graph of which function has an axis of symmetry at x = ?
Answer
A
f(x) = 2x2 + x – 1B
f(x) = 2x2 – x + 1C
f(x) = x2 + 2x – 1D
f(x) = x2 – 2x + 1Question 21 • EA Academy Algebra I