在同一坐标系中,分别做出下列一次函数的图像:y=-2x、y=-2x+3、y=-2x-3(1)这三个函数的图像都是_______.(2)函数y=-2x+3的图像与y轴的交点坐标是___________(3)函数y=-2x-3的图像与y轴的交点坐标
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![在同一坐标系中,分别做出下列一次函数的图像:y=-2x、y=-2x+3、y=-2x-3(1)这三个函数的图像都是_______.(2)函数y=-2x+3的图像与y轴的交点坐标是___________(3)函数y=-2x-3的图像与y轴的交点坐标](/uploads/image/z/3144670-70-0.jpg?t=%E5%9C%A8%E5%90%8C%E4%B8%80%E5%9D%90%E6%A0%87%E7%B3%BB%E4%B8%AD%2C%E5%88%86%E5%88%AB%E5%81%9A%E5%87%BA%E4%B8%8B%E5%88%97%E4%B8%80%E6%AC%A1%E5%87%BD%E6%95%B0%E7%9A%84%E5%9B%BE%E5%83%8F%3Ay%3D-2x%E3%80%81y%3D-2x%2B3%E3%80%81y%3D-2x-3%EF%BC%881%EF%BC%89%E8%BF%99%E4%B8%89%E4%B8%AA%E5%87%BD%E6%95%B0%E7%9A%84%E5%9B%BE%E5%83%8F%E9%83%BD%E6%98%AF_______.%EF%BC%882%EF%BC%89%E5%87%BD%E6%95%B0y%3D-2x%2B3%E7%9A%84%E5%9B%BE%E5%83%8F%E4%B8%8Ey%E8%BD%B4%E7%9A%84%E4%BA%A4%E7%82%B9%E5%9D%90%E6%A0%87%E6%98%AF___________%EF%BC%883%EF%BC%89%E5%87%BD%E6%95%B0y%3D-2x-3%E7%9A%84%E5%9B%BE%E5%83%8F%E4%B8%8Ey%E8%BD%B4%E7%9A%84%E4%BA%A4%E7%82%B9%E5%9D%90%E6%A0%87)
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