sketch the region in the plane consisting of all points(x,y)

来源：学生作业帮编辑：拍题作业网作业帮分类：数学作业时间：2024/05/18 00:54:50

sketch the region in the plane consisting of all points(x,y) such that |x|+|y|≤1
就是|x|+|y|≤1用图像法怎么表示,告诉我经过横纵坐标轴的那个点和描法就行.

这个图像应该是由4条线段和坐标轴围成的一个实心的正方形
先在第一象限里面做出x+y=1来（取点（1,0）（0,1）
直线x+y=1和坐标轴围成1个等腰直角三角形
然后这个图像沿着Y轴对折做出跟Y轴对称的第二象限的图像.
再做出跟X轴对称的在第三,四象限的图像
最后把4条边里面的都涂黑我们最后得到的正方形就是函数 |x|+|y|≤1 的图像.

Show that the relation R consisting of all pairs(x,y) such t 英语翻译Use a graphing calculator to sketch the graph of 2y=4x-1 In the xy-coordinate plane, the graph of y =-x^2+9 intersect Localized pain in the region of the heart 一道用英语说的数学题Sketch the graph of y=4-x and y=x×x+2x ,and calcul 英语翻译The coordinates of the three points A,B,C on the plane a (1) The coordinates of the three points A,B C on the plane a SAT数学题求解释In the xy-coordinate plane, the graph of x = y*y -4 sketch the graph y=3∧x[这是x次方] on an x-y axes.use a domain of Find the following points on the graph of Y=x^2 : Pease Use all the points 英语翻译The TMRM is defined in terms of proxies consisting of pr