配套习题- 如何利用直角坐标系解决图形面积问题 -【青果学院】

1/5单选题

难度：

1.

如图，一次函数y=kx+b的图象经过A点，与x轴交于点C，△AOC的面积是（）

A	2
B	4
C	6
D	8

正确答案：Qg==

PGRpdj7op6PvvJrkvZxBQuKKpXjovbTvvIzkuqR46L205LqO54K5Qu+8jEIoMu+8jDApPC9kaXY+PGRpdj48aW1nIHNyYz0iaHR0cHM6Ly9wMS5xaW5nZ3VvLmNvbS9HMS9NMDAvMDAvNjcvckJBQ0ZGTU1XQk9URjFvT0FBQUZCZ0VIZzJBNjI2LnBuZyIgZGF0YS1ja2Utc2F2ZWQtc3JjPSJodHRwczovL3AxLnFpbmdndW8uY29tL0cxL00wMC8wMC82Ny9yQkFDRkZNTVdCT1RGMW9PQUFBRkJnRUhnMkE2MjYucG5nIiBoZWlnaHQ9IjQyIiB3aWR0aD0iMzIwIj4uPC9kaXY+PGRpdj7ilrNBT0PnmoTpnaLnp6/kuLo0LjwvZGl2Pg==

2/5单选题

难度：

2.

已知正比例函数与一次函数相交于点.x轴上有一点A,当.则点坐标（）

A	(3，0)
B	(2，0)
C	(2，0)或（-2,0）
D	(-3,0,)或（3,0）

正确答案：Qw==

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

3/5单选题

难度：

3.

在四边形ABCD中，A、B、C、D的四个点的坐标分别为（0，2）（1，0）（6，2）（2，4），则四边形ABCD的面积为（）

A	9
B	12
C	15
D	18

正确答案：Qg==

PGRpdj7op6PvvJrov57mjqVBQ++8jDwvZGl2PjxkaXY+UzxzdWI+5Zub6L655b2iQUJDRDwvc3ViPj1TPHN1Yj7ilrNBQkM8L3N1Yj4rUzxzdWI+4pazQUNEPC9zdWI+PC9kaXY+PGRpdj49Nis2PTEyPC9kaXY+PGRpdj48aW1nIHNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvMDAvNjcvckJBQ0ZGTU1XQ2JRQ2plSEFBQkRnbUJ0WHQwNDU1LnBuZyIgZGF0YS1ja2Utc2F2ZWQtc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC8wMC82Ny9yQkFDRkZNTVdDYlFDamVIQUFCRGdtQnRYdDA0NTUucG5nIiBoZWlnaHQ9IjIxMCIgd2lkdGg9IjI1NCI+PC9kaXY+

4/5单选题

难度：

4.

已知直线y=-x+5与y轴交于点A，与直线y=x+1交于点B，且直线y=x+1与x轴交于点C，则△ABC的面积为（）

A	2
B	4
C	6
D	8

正确答案：Qw==

PGRpdj7op6PvvJrorr7nm7Tnur9BQuS4jnjovbTkuqTkuo7ngrlE77yMRCg177yMMCk8YnI+PC9kaXY+PGRpdj7ogZTnq4vmlrnnqIt5PXgrMeWSjHk9LXgrNTxicj48L2Rpdj48ZGl2Puino+W+l+eCuUIoMu+8jDMpPGJyPjwvZGl2PjxkaXY+UzxzdWI+4pazPC9zdWI+PHN1Yj5BQkM8L3N1Yj49UzxzdWI+4pazPC9zdWI+PHN1Yj5BQ0Q8L3N1Yj4tUzxzdWI+4pazPC9zdWI+PHN1Yj5CQ0Q8L3N1Yj4gPTE1LTk9Njxicj48L2Rpdj4=

5/5单选题

难度：

5.

根据给出已知点的坐标，则四边形ABCD的面积为（）

A	60
B	70
C	80
D	90

正确答案：Qw==

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