九年级数学《二次函数》单元测试题(一)一.填空题:1.二次函数y=-x2+6x+3的图象顶点为_______ __对称轴为_______ __.2.抛物线y=x2-3x-4与x轴的交点坐标是______ __.3.由y=2x2和y=2x2+4x-5的顶点坐标
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/28 10:06:44
![九年级数学《二次函数》单元测试题(一)一.填空题:1.二次函数y=-x2+6x+3的图象顶点为_______ __对称轴为_______ __.2.抛物线y=x2-3x-4与x轴的交点坐标是______ __.3.由y=2x2和y=2x2+4x-5的顶点坐标](/uploads/image/z/14717861-53-1.jpg?t=%E4%B9%9D%E5%B9%B4%E7%BA%A7%E6%95%B0%E5%AD%A6%E3%80%8A%E4%BA%8C%E6%AC%A1%E5%87%BD%E6%95%B0%E3%80%8B%E5%8D%95%E5%85%83%E6%B5%8B%E8%AF%95%E9%A2%98%28%E4%B8%80%29%E4%B8%80%EF%BC%8E%E5%A1%AB%E7%A9%BA%E9%A2%98%EF%BC%9A1%EF%BC%8E%E4%BA%8C%E6%AC%A1%E5%87%BD%E6%95%B0y%3D-x2%2B6x%2B3%E7%9A%84%E5%9B%BE%E8%B1%A1%E9%A1%B6%E7%82%B9%E4%B8%BA_______+++__%E5%AF%B9%E7%A7%B0%E8%BD%B4%E4%B8%BA_______+__.2%EF%BC%8E%E6%8A%9B%E7%89%A9%E7%BA%BFy%3Dx2-3x-4%E4%B8%8Ex%E8%BD%B4%E7%9A%84%E4%BA%A4%E7%82%B9%E5%9D%90%E6%A0%87%E6%98%AF______++++__.3%EF%BC%8E%E7%94%B1y%3D2x2%E5%92%8Cy%3D2x2%2B4x-5%E7%9A%84%E9%A1%B6%E7%82%B9%E5%9D%90%E6%A0%87)
xVRV~M:a`ŶTl:@ã́TB0fB dak>JЕ_BյddRzƒrscVi>8=wS䝉Nl$nVqƄ*o.W{B"+3{0M>E39Bv|*y
w[hy
v|
WARWM_ѣJcQv:ħx|I=åNY7 u2gӍ}͛-fzwO _&@pF5۵'Vq_g5;#-~wxxPH
UO%
<ۧ+_{
"{$BC}&AxA
i"%"#)baDUC2dѐt.rRMq+_0%HD*54EBFg j%|J)jVb@cD& <ǮT$@1kN+_T<93u's|ni)_Ĺ)z@*^+9\ir>Q&r-1Ayd&h&^_jj~Leϼ=vpR!U46&r3ˉOJĪ-"Qe8[=/ t٦&Ւ=لu|h