百度试题 结果1 题目Use graphing technology to graph the parabola for each relation below. Then determinethe equation of the axis of symmetry y=-x^2+18x 相关知识点: 试题来源: 解析 x=9
Find the vertex, focus, and directrix of the parabola and sketch its graph. Use a graphing utility to verify the graph. {eq}(x + 1)^2 - 8(y + 2) = 0 {/eq} Directrix of the Parabola: The directrix of a parabola...