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。简单替换1.y = −2(x + 3)2 − 9简单替换2.y = −2(x − 4)2 − 8简单替换3.y = 3(x + 3)2 − 8简单替换4.y = 2(x − 3)2 + 3简单替换5.y = 3(x + 5)2 − 4简单替换6.y = (x + 6)2 + 2简单替换7.y = −(x − 5)2 + 3简单替换8.y = −(x + 1)2 + 1简单替换9.y = (x − 2)2 + 3简单替换10.y = −(x + 1)2 + 7简单替换11.y = −(x + 4)2 − 8简单替换12.y = −2(x + 5)2 − 3答案 — 抛物线的顶点练习抛物线的顶点1.(−3, −9)2.(4, −8)3.(−3, −8)4.(3, 3)5.(−5, −4)6.(−6, 2)7.(5, 3)8.(−1, 1)9.(2, 3)10.(−1, 7)11.(−4, −8)12.(−5, −3)由 Math Sheet Studio 制作 · mathsheetstudio.com — 免费可打印数学练习卷