姓名 ______________________日期 ____________得分 ____ / 12抛物线的顶点练习抛物线的顶点 · 1–12求每条抛物线的顶点，写成点 (x, y) 的形式。中等替换1.y = x2 − 4x + 13中等替换2.y = x2 − 4x + 2中等替换3.y = x2 + 12x + 44中等替换4.y = x2 + 8x + 24中等替换5.y = x2 − 2x + 6中等替换6.y = x2 − 12x + 43中等替换7.y = x2 + 2x + 6中等替换8.y = x2 + 10x + 29中等替换9.y = x2 + 10x + 24中等替换10.y = x2 + 8x + 12中等替换11.y = x2 − 10x + 19中等替换12.y = x2 + 4x + 1答案 — 抛物线的顶点练习抛物线的顶点1.(2, 9)2.(2, −2)3.(−6, 8)4.(−4, 8)5.(1, 5)6.(6, 7)7.(−1, 5)8.(−5, 4)9.(−5, −1)10.(−4, −4)11.(5, −6)12.(−2, −3)由 Math Sheet Studio 制作 · mathsheetstudio.com — 免费可打印数学练习卷