D先求各直线的斜率.Find the slopes of the straight lines.kx+4y-2k=04y=-kx+2ky-(-k)/4x+k/2⋯(1)slope-k/46x-9y+4=0-9y=-6x-4y=(-6)/(-9)x-4/(-9)y=2/3x+4/9slope=2/3由于它们互相垂直,因此斜率的积=-1,Since they are perpendicular, the product of the slopes is =...
84. Equation of the straight line passing through the points (-1,3) and (4,-2)is:(4)(1)$$ x - y = 3 $$ (2)$$ x + y = 3 $$ (3)$$ x - y = 2 $$ (4)$$ x + y = 2 $$ 相关知识点: 试题来源: 解析 (4) ...
网络直线方程 网络释义 1. 直线方程 数学专业英语词汇... ... equation of state 状态方程equation of the straight line直线方程equation root 方程的根 ... www.wangyanpiano.com|基于22个网页
1 Find the equation of the straight line that passes through the points(3,-1)and (-2,2)mgiving your answer in the form ax+by+c=0. Hence find the coordinates of the points of intersection of the line and the x-axis. 2 The point A has coordinates (2,_5).The straight line 3x+...
Find the equation of the straight line whose intercepts on X-axis and Y-axis are respectively twice and thrice of those by the line 3x+4y=12.
3. (a) Write down the equation of the straight line which is parallel to$$ y = 2 x $$ and passes through the point(0,4).The line crosses the x-axis at the point P.(b) What are the coordinates of P? 相关知识点: 试题来源: ...
with the positive direction of the x-axis Video Solution| ShareSave Answer Step by step video & image solution for Find the equation of the straight line interesting y-axis at a distance of 2 units above the origin and making an angle of 0^0 with the positive direction of the x-axis by...
解析 【解析】 $$ 3 x + 4 y - 7 = 0 $$ 结果一 题目 【题目】Find an equation of the straight line passing through the points (-3,4)and (5,-2). 答案 【解析】 3x+4y-7=0相关推荐 1【题目】Find an equation of the straight line passing through the points (-3,4)and (5,-2)...
with the positive direction of the x-axis Video Solution| ShareSave Answer Step by step video & image solution for Find the equation of the straight line interesting y-axis at a distance of 2 units above the origin and making an angle of 0^0 with the positive direction of the x-axis by...
24 The equation of a straight line is 3y + 2x + 6 =0.Find(a) the gradient of the line,Answer[1](b) the coordinates of the point where the line intersects the y-axis,(0,-2)Answer (...,...) [1](c) the coordinates of the point at which the line intersects the line y=...