已知，如图，在平面直角坐标系xOy中，直线AB与x、y轴分别交于点A（

已知，如图，在平面直角坐标系xOy中，直线AB与x、y轴分别交于点A（，0）、B（0，2）。

（1）求直线AB的解析式；（3分。）

（2）求点O到直线AB的距离；（3分。）

（3）求点M（-1，-1）到直线AB的距离。（2分。）

答案

（1）（2） 1.6 （3） 3

解析:略

相关题目

If you spent years training to be a lawyer and had a great steady income,w

If you spent years training to be a lawyer and had a great steady income,would you leave it to undertake a silly plan that only your mum and girlfriend believed in? That’s exactly what Tom P

阉割后的公鸡，不再啼鸣，鸡冠萎缩，求偶行为消失，这是

阉割后的公鸡，不再啼鸣，鸡冠萎缩，求偶行为消失，这是因为失去了（） A．促性腺激素的调节 B．雄激素的调节 C．雌激素的调节 �

They are _____ children that they can’t dress themselves. A. so littleB. such

They are _____ children that they can’t dress themselves. A. so littleB. such little C. so smallD. too small

下图为某地区一河流某季节示意图及从甲地到乙地流水沉积

下图为某地区一河流某季节示意图及从甲地到乙地流水沉积物平均粒径的变化曲线图。完成下列问题。 1．图中信息显示出 A.河道a处河床坡度比b处陡 �

—______ that he managed to get the book? — Oh, his sister helped him. A.

—______ that he managed to get the book? — Oh, his sister helped him. A. Where was it B. What was it C. How was it D. Why was it

若某同学准备自己动手制成弹簧测力计，它们选了A、B两种规

若某同学准备自己动手制成弹簧测力计，它们选了A、B两种规格不同的弹簧进行测试，绘出如图所示的图像，若他们要制作量程较大的弹簧测力计，应选

同温同压下，两个等体积的干燥试管中分别充满①NH3 ②NO2

同温同压下，两个等体积的干燥试管中分别充满①NH3 ②NO2，倒置于水槽中。经充分溶解(或反应)后，设溶质不扩散到试管外，试管内溶液的物质的量浓

A farmer went to town to sell his vegetable. But it was snowing that afternoon,

A farmer went to town to sell his vegetable. But it was snowing that afternoon, and there_26_ few people in the street. So when his vegetable was sold out, it was dark. _27_ his way home, he saw a

已知，如图，在平面直角坐标系xOy中，直线AB与x、y轴分别交于点A（

答案

相关题目

最新题目