如图,直线l:y=kx+b与x轴和y轴分别相交于点A(-8,0)B(0,6),O为坐标原点.(1)求直线L解析式(2)若点P(x,y)是第二象限内直线l上的一个动点,求△OPA的面积S与x之间的函数关系式,并写出自变量x的取
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![如图,直线l:y=kx+b与x轴和y轴分别相交于点A(-8,0)B(0,6),O为坐标原点.(1)求直线L解析式(2)若点P(x,y)是第二象限内直线l上的一个动点,求△OPA的面积S与x之间的函数关系式,并写出自变量x的取](/uploads/image/z/3737015-71-5.jpg?t=%E5%A6%82%E5%9B%BE%2C%E7%9B%B4%E7%BA%BFl%3Ay%3Dkx%2Bb%E4%B8%8Ex%E8%BD%B4%E5%92%8Cy%E8%BD%B4%E5%88%86%E5%88%AB%E7%9B%B8%E4%BA%A4%E4%BA%8E%E7%82%B9A%28-8%2C0%29B%280%2C6%29%2CO%E4%B8%BA%E5%9D%90%E6%A0%87%E5%8E%9F%E7%82%B9.%EF%BC%881%EF%BC%89%E6%B1%82%E7%9B%B4%E7%BA%BFL%E8%A7%A3%E6%9E%90%E5%BC%8F%EF%BC%882%EF%BC%89%E8%8B%A5%E7%82%B9P%EF%BC%88x%2Cy%EF%BC%89%E6%98%AF%E7%AC%AC%E4%BA%8C%E8%B1%A1%E9%99%90%E5%86%85%E7%9B%B4%E7%BA%BFl%E4%B8%8A%E7%9A%84%E4%B8%80%E4%B8%AA%E5%8A%A8%E7%82%B9%2C%E6%B1%82%E2%96%B3OPA%E7%9A%84%E9%9D%A2%E7%A7%AFS%E4%B8%8Ex%E4%B9%8B%E9%97%B4%E7%9A%84%E5%87%BD%E6%95%B0%E5%85%B3%E7%B3%BB%E5%BC%8F%2C%E5%B9%B6%E5%86%99%E5%87%BA%E8%87%AA%E5%8F%98%E9%87%8Fx%E7%9A%84%E5%8F%96)
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