一次函数题(不服图了) 3 很着急,越早越多多给分 明儿要已知,直线y=2x+3与直线y=-2x-1,求两直线与y轴焦点A.B的坐标;求两直线交点C的坐标;求△ABC的面积
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![一次函数题(不服图了) 3 很着急,越早越多多给分 明儿要已知,直线y=2x+3与直线y=-2x-1,求两直线与y轴焦点A.B的坐标;求两直线交点C的坐标;求△ABC的面积](/uploads/image/z/8692618-58-8.jpg?t=%E4%B8%80%E6%AC%A1%E5%87%BD%E6%95%B0%E9%A2%98%EF%BC%88%E4%B8%8D%E6%9C%8D%E5%9B%BE%E4%BA%86%EF%BC%89+3+%E5%BE%88%E7%9D%80%E6%80%A5%2C%E8%B6%8A%E6%97%A9%E8%B6%8A%E5%A4%9A%E5%A4%9A%E7%BB%99%E5%88%86+%E6%98%8E%E5%84%BF%E8%A6%81%E5%B7%B2%E7%9F%A5%2C%E7%9B%B4%E7%BA%BFy%3D2x%2B3%E4%B8%8E%E7%9B%B4%E7%BA%BFy%3D-2x-1%2C%E6%B1%82%E4%B8%A4%E7%9B%B4%E7%BA%BF%E4%B8%8Ey%E8%BD%B4%E7%84%A6%E7%82%B9A.B%E7%9A%84%E5%9D%90%E6%A0%87%EF%BC%9B%E6%B1%82%E4%B8%A4%E7%9B%B4%E7%BA%BF%E4%BA%A4%E7%82%B9C%E7%9A%84%E5%9D%90%E6%A0%87%EF%BC%9B%E6%B1%82%E2%96%B3ABC%E7%9A%84%E9%9D%A2%E7%A7%AF)
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