已知直线y=kx+b经过点A(0,-2)(1)若直线y=-3x可由直线y=kx+b平移得到,则此直线的解析式为________(2)若它与坐标轴围成的直角三角形的面积为4,则K的值为_______请写出过程让我看明白,别光写个答
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![已知直线y=kx+b经过点A(0,-2)(1)若直线y=-3x可由直线y=kx+b平移得到,则此直线的解析式为________(2)若它与坐标轴围成的直角三角形的面积为4,则K的值为_______请写出过程让我看明白,别光写个答](/uploads/image/z/3665437-61-7.jpg?t=%E5%B7%B2%E7%9F%A5%E7%9B%B4%E7%BA%BFy%3Dkx%2Bb%E7%BB%8F%E8%BF%87%E7%82%B9A%280%2C-2%29%EF%BC%881%EF%BC%89%E8%8B%A5%E7%9B%B4%E7%BA%BFy%3D-3x%E5%8F%AF%E7%94%B1%E7%9B%B4%E7%BA%BFy%3Dkx%2Bb%E5%B9%B3%E7%A7%BB%E5%BE%97%E5%88%B0%2C%E5%88%99%E6%AD%A4%E7%9B%B4%E7%BA%BF%E7%9A%84%E8%A7%A3%E6%9E%90%E5%BC%8F%E4%B8%BA________%EF%BC%882%29%E8%8B%A5%E5%AE%83%E4%B8%8E%E5%9D%90%E6%A0%87%E8%BD%B4%E5%9B%B4%E6%88%90%E7%9A%84%E7%9B%B4%E8%A7%92%E4%B8%89%E8%A7%92%E5%BD%A2%E7%9A%84%E9%9D%A2%E7%A7%AF%E4%B8%BA4%2C%E5%88%99K%E7%9A%84%E5%80%BC%E4%B8%BA_______%E8%AF%B7%E5%86%99%E5%87%BA%E8%BF%87%E7%A8%8B%E8%AE%A9%E6%88%91%E7%9C%8B%E6%98%8E%E7%99%BD%2C%E5%88%AB%E5%85%89%E5%86%99%E4%B8%AA%E7%AD%94)
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