$y$ 轴对称
symmetric about the y-axis A graph is symmetric about the y-axis if whenever $(x, y)$ is on the graph, $(-x, y)$ is also on it. This is characteristic of even f
CSCA 数学 考试术语
symmetric about the y-axis A graph is symmetric about the y-axis if whenever $(x, y)$ is on the graph, $(-x, y)$ is also on it. This is characteristic of even f
CSCA 数学 考试术语