如图1,A为抛物线c1:y=1/2x²-2的顶点,B(1,0),直线AB交抛物线c1于另一点C(2)如图2,直线x=3交直线AB于D、交抛物线c1于E,动直线x=a交直线AB于F、交抛物线c1于G,当FG:DE=4:3时,求a的值. (3)如图3,将抛
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![如图1,A为抛物线c1:y=1/2x²-2的顶点,B(1,0),直线AB交抛物线c1于另一点C(2)如图2,直线x=3交直线AB于D、交抛物线c1于E,动直线x=a交直线AB于F、交抛物线c1于G,当FG:DE=4:3时,求a的值. (3)如图3,将抛](/uploads/image/z/3802557-21-7.jpg?t=%E5%A6%82%E5%9B%BE1%2CA%E4%B8%BA%E6%8A%9B%E7%89%A9%E7%BA%BFc1%3Ay%3D1%2F2x%26%23178%3B-2%E7%9A%84%E9%A1%B6%E7%82%B9%2CB%281%2C0%29%2C%E7%9B%B4%E7%BA%BFAB%E4%BA%A4%E6%8A%9B%E7%89%A9%E7%BA%BFc1%E4%BA%8E%E5%8F%A6%E4%B8%80%E7%82%B9C%EF%BC%882%EF%BC%89%E5%A6%82%E5%9B%BE2%2C%E7%9B%B4%E7%BA%BFx%3D3%E4%BA%A4%E7%9B%B4%E7%BA%BFAB%E4%BA%8ED%E3%80%81%E4%BA%A4%E6%8A%9B%E7%89%A9%E7%BA%BFc1%E4%BA%8EE%2C%E5%8A%A8%E7%9B%B4%E7%BA%BFx%3Da%E4%BA%A4%E7%9B%B4%E7%BA%BFAB%E4%BA%8EF%E3%80%81%E4%BA%A4%E6%8A%9B%E7%89%A9%E7%BA%BFc1%E4%BA%8EG%2C%E5%BD%93FG%3ADE%3D4%EF%BC%9A3%E6%97%B6%2C%E6%B1%82a%E7%9A%84%E5%80%BC.++%283%29%E5%A6%82%E5%9B%BE3%2C%E5%B0%86%E6%8A%9B)
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如图1,A为抛物线c1:y=1/2x²-2的顶点,B(1,0),直线AB交抛物线c1于另一点C(2)如图2,直线x=3交直线AB于D、交抛物线c1于E,动直线x=a交直线AB于F、交抛物线c1于G,当FG:DE=4:3时,求a的值. (3)如图3,将抛
如图1,A为抛物线c1:y=1/2x²-2的顶点,B(1,0),直线AB交抛物线c1于另一点C
(2)如图2,直线x=3交直线AB于D、交抛物线c1于E,动直线x=a交直线AB于F、交抛物线c1于G,当FG:DE=4:3时,求a的值.
(3)如图3,将抛物线c1向下平移2个单位长度得到抛物线c2(顶点为P),交x轴的负半轴于M、交射线AB于N,NQ⊥x轴于Q.探究:点P是否在∠MNQ的平分线上?若在,请证之;若不在,请说明理由.
如图1,A为抛物线c1:y=1/2x²-2的顶点,B(1,0),直线AB交抛物线c1于另一点C(2)如图2,直线x=3交直线AB于D、交抛物线c1于E,动直线x=a交直线AB于F、交抛物线c1于G,当FG:DE=4:3时,求a的值. (3)如图3,将抛
第3不会了···不好意思··