정답
$y = a(x - h)^2 + k$, where the vertex is located at $(h, k)$ and the axis of symmetry is $x = h$.
해설
If $a > 0$, the parabola opens upward and $k$ is the minimum value; if $a < 0$, it opens downward and $k$ is the maximum value.
홈 / 라이브러리 / Digital SAT: Comprehensive Practice (Math & Reading-Writing) / AI 플래시카드
What is the vertex form of a parabola, and how are the coordinates of the vertex expressed?
덱 'Digital SAT: Comprehensive Practice (Math & Reading-Writing)'의 플래시카드.