The parabola shown opens downward and has vertex (1, 4). Which equation matches?
Ay = −(x − 1)² + 4
By = (x − 1)² + 4
Cy = −(x + 1)² + 4
Dy = −(x − 1)² − 4
Explanation
Opens down → leading coefficient negative. Vertex (h, k) = (1, 4) → −(x − 1)² + 4.