The parabola shown opens downward and has vertex (1, 4). Which equation matches?
A y = −(x − 1)² + 4
B y = (x − 1)² + 4
C y = −(x + 1)² + 4
D y = −(x − 1)² − 4
Explanation
Opens down → leading coefficient negative. Vertex (h, k) = (1, 4) → −(x − 1)² + 4.