Entry Exam Category: High School Equivalency Exams
Course: General Education Development (GED)
Exam: GED Math practice test
Practice Question
At what point does the function stop decreasing and start increasing?

Answer Choices
- A: (1, -4)
- B: (3, 0)
- C: (-4, 1)
- D: (0, -3)
Correct Answer: A
Rationale: Assume a quadratic like y = x^2 - 2x - 3. Vertex (minimum) at x = -b/2a = 2/2 = 1, y = 1 - 2 - 3 = -4. Thus, the correct answer is (1, -4).