画出函数y=2x+6的图象,并根据图象回答:(1)写出函数与x轴交点的坐标;(2)利用图象求方程2x+6=0的解;(3)试着想一下上面两个问题有什么联系?(4)求不等式2x+6>0的解集,观察
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![画出函数y=2x+6的图象,并根据图象回答:(1)写出函数与x轴交点的坐标;(2)利用图象求方程2x+6=0的解;(3)试着想一下上面两个问题有什么联系?(4)求不等式2x+6>0的解集,观察](/uploads/image/z/2784790-46-0.jpg?t=%E7%94%BB%E5%87%BA%E5%87%BD%E6%95%B0y%EF%BC%9D2x%EF%BC%8B6%E7%9A%84%E5%9B%BE%E8%B1%A1%2C%E5%B9%B6%E6%A0%B9%E6%8D%AE%E5%9B%BE%E8%B1%A1%E5%9B%9E%E7%AD%94%EF%BC%9A%EF%BC%881%EF%BC%89%E5%86%99%E5%87%BA%E5%87%BD%E6%95%B0%E4%B8%8Ex%E8%BD%B4%E4%BA%A4%E7%82%B9%E7%9A%84%E5%9D%90%E6%A0%87%EF%BC%9B%EF%BC%882%EF%BC%89%E5%88%A9%E7%94%A8%E5%9B%BE%E8%B1%A1%E6%B1%82%E6%96%B9%E7%A8%8B2x%EF%BC%8B6%EF%BC%9D0%E7%9A%84%E8%A7%A3%EF%BC%9B%EF%BC%883%EF%BC%89%E8%AF%95%E7%9D%80%E6%83%B3%E4%B8%80%E4%B8%8B%E4%B8%8A%E9%9D%A2%E4%B8%A4%E4%B8%AA%E9%97%AE%E9%A2%98%E6%9C%89%E4%BB%80%E4%B9%88%E8%81%94%E7%B3%BB%3F%EF%BC%884%EF%BC%89%E6%B1%82%E4%B8%8D%E7%AD%89%E5%BC%8F2x%EF%BC%8B6%EF%BC%9E0%E7%9A%84%E8%A7%A3%E9%9B%86%2C%E8%A7%82%E5%AF%9F)
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