答案:f(x',y')<0 【小题1】回答此题,应该从文章中去摘录相关信息。抓住关键词“时间”、“人物”、“事件”。如:②时间是:两个月后。人物:我和妻子。事件:想起这家小饭馆,决定去喝土豆汤。服务员小姑娘记得我们喝的是鸡块炖土豆汤。③时间:几个月后的一个下午。人物:我、小姑娘和父亲。事件:我...
The equation of a straight line is y = mx + b. Here m represents the ___. A. slope B. y-intercept C. x-intercept D. constant term 相关知识点: 试题来源: 解析 A。在直线方程 y = mx + b 中,m 表示斜率 slope,b 表示 y 轴截距 y-intercept,x-intercept 是 x 轴截距,constant term...
The cartesian equation of a line is x−62=y+47=z−53 , find its vector equation . View Solution The equation of line is 2x−2=3y+1=6z−2 find its direction ratios and also find the vector equation of the line . View Solution The cartesian equations of line is : x...
An equation of line a is y = -12 x - 2. Which is an equation of the line that is perpendicular to the line and passes through the point (-4,0)? What is the equation of a line that passes through the poin...
The cartesian equation of a line is (x-3)/(2)=(y+1)/(-2)=(z-3)/(5). Find the vector equation of the line.
4 (a) The equation of a straight line is 2y = 3.x+4.(i) Find the gradient of this line.1(ii) Find the co-ordinates of the point where the line crosses the y-axis.(...) [1](b) The diagram shows a straight line L.y642-20246X-2(i) Find the equation of line L....
程数热信华部光动根连济院持响程数热信华部光动根连济院持响The equation of a line is y = -2x + 4. Which of the follo
The line m has the equation y= 2x + 1. The line n is perpendicular to m and passes through the point A (2,1). Write an equation of n. Derive the Equation of a Line from the Slope and any Point on the Line Fo...
The Cartesian equation of a line is (x-3)/2=(y+1)/(-2)=(z-3)/5 . Find the vector equation of the line.
Answer to: What is the equation of a line perpendicular to y = -\frac{1}{2}x - 1 that contains (4, -3)? A. 2x - y = 11 B. 2x - y = 5 C. x - 2y = 10...