2022年二次函数平移专项练习 .pdf
精品办公文档二次函数平移专题一、填空1、抛物线2axy向左平移 5 个单位,再向下移动 2 个单位得到抛物线2.二次函数1)3(22xy由1)1(22xy向_平移 _个单位,再向 _平移_ 个单位得到.3、抛物线3)2(32xy可由抛物线2)2(32xy向 _ 平移_ 个单位得到4、将抛物线5)3(532xy向右平移 3 个单位,再向上平移 2 个单位,得到的抛物线是5、把抛物线2)1(2xy是由抛物线3)2(2xy向平移个单位,再向 _平移_个单位得到。6、在平面直角坐标系中,将二次函数22xy的图象向上平移2 个单位,所得图象的解析式为 _ 7、将抛物线22yx 向下平移 1 个单位,得到的抛物线是 _ 8、抛物线 yx25x+4 的图像向右平移三个单位,在向下平移三个单位的解析式9、将抛物线21(3)22yx向右平移 3 个单位,再向上平移2 个单位,则所得抛物线解析式为 _ 10抛物线232yx向左平移 1 个单位得到抛物线解析式为_ 精品办公文档11、二次函数22(1)yx的草图:开口向 _,顶点坐标是(),对称轴是 _,在对称轴的右侧,y 随 x 的增大而 _。当 x=_ 时,函数有最 _值,其值为 _。与 x 轴的交点坐标是 _,与 y 轴的交点坐标是_。它是由函数 _向_平移_个单位得到的。12、二次函数221yx的草图:开口向 _,顶点坐标是(),对称轴是 _,在对称轴的右侧,y 随 x 的增大而 _.当 x=_时,函数有最 _值,其值为 _。与 x 轴的交点坐标是 _,与 y 轴的交点坐标是 _。它是有函数_向_平移_个单位得到的。13、二次函数2(1)3yx的草图:开口向 _,顶点坐标是(),对称轴是 _,在对称轴的右侧,y随 x 的增大而 _.当 x=_时,函数有最 _值,其值为 _。与 x 轴的交点坐标是 _,与 y 轴的交点坐标是 _。它是有函数_向_平移_个单位,再向 _平移 _ 个单位得到.二、选择1.把抛物线2yx 向左平移一个单位,然后向上平移3个单位,则平移后抛物线的表达式为()A.2(1)3yx B.2(1)3yx C.2(1)3yx D.2(1)3yx文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5精品办公文档2要从抛物线 y=-2x2的图象得到 y=-2x2-1 的图象,则抛物线y=-2x2必须()A 向上平移 1 个单位;B向下平移 1 个单位;C 向左平移 1 个单位;D向右平移 1 个单位3、要从抛物线212yx得到21(1)32yx的图像,则抛物线y=-x2必须()A向左平移 1 个单位,再向上平移3 个单位;B向左平移 1 个单位,再向下平移3 个单位;C向右平移 1 个单位,再向上平移3 个单位;D向右平移 1 个单位,再向下平移3 个单位4.把二次函数2xy的图象先向右平移2 个单位,再向上平移5 个单位后得到一个新图象,则新图象所表示的二次函数的解析式是()A.522xy B.522xyC.522xy D.522xy5、把二次函数3412xxy用配方法化成khxay2的形式A.22412xy B.42412xyC.42412xy D.321212xy文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5精品办公文档6、在平面直角坐标系中,将二次函数22xy的图象向上平移2 个单位,所得图象的解析式为A222xy B222xyC2)2(2 xy D2)2(2 xy7、将抛物线22yx 向下平移 1 个单位,得到的抛物线是()A22(1)yxB22(1)yxC221yxD221yx8、把抛物线2yx 向左平移 1 个单位,然后向上平移 3 个单位,则平移后抛物线的解析式为A2(1)3yxB2(1)3yxC 2(1)3yxD2(1)3yx9、要得到二次函数222yxx的图象,需将2yx 的图象()A向左平移 2 个单位,再向下平移2 个单位B向右平移 2 个单位,再向上平移2 个单位C向左平移 1 个单位,再向上平移1 个单位D向右平移 1 个单位,再向下平移1 个单位文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 ZJ4S8Q3N2D5文档编码:CQ6V3W5M2X5 HY5S10T6E4Q8 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