Answer: (2,3).
- A (2,3)
- B (-2,3)
- C (2,-3)
- D (3,2)
Correct answer: A. (2,3)
Explanation: Vertex form y = (x-h)² + k has vertex at (h,k) = (2,3).
The slope of a line is the ratio of vertical change (rise) to horizontal change (run) between any two points on it - equivalently, the tangent of the angle θ the line makes with the positive x-axis.