若圆x^2+y^2-6x+6y+14=0关于直线l:ax+4y-6=0对称,则直线l的斜率是求详解

来源：学生作业帮助网 编辑：作业帮 时间：2024/08/16 03:55:01
若圆x^2+y^2-6x+6y+14=0关于直线l:ax+4y-6=0对称,则直线l的斜率是求详解
xQN@IL4Z4BR4٪C @J_;~i Յ+̝{sNAR,"kam^ SюߣŪ^q=GW=zFQ"v3N·xщ̊pKozU?m$߄<Ӯ?ShS?8$2%jA %<OwsS Nu  0}-̣qk-:qZ.gmן-XKk $'3@'@TY ,Pw__/o &Dya2uقq梣 b޴eYIGA [_Lx_:

若圆x^2+y^2-6x+6y+14=0关于直线l:ax+4y-6=0对称,则直线l的斜率是求详解
若圆x^2+y^2-6x+6y+14=0关于直线l:ax+4y-6=0对称,则直线l的斜率是
求详解

若圆x^2+y^2-6x+6y+14=0关于直线l:ax+4y-6=0对称,则直线l的斜率是求详解
圆关于直线对称,圆心在直线上.
x²+y²-6x+6y+14=0
(x-3)²+(y+3)²=4
圆心坐标(3,-3) x=3,y=-3代入直线方程：
3a+4×(-3)-6=0
a=6
直线方程变为6x+4y-6=0
y=(-3/2)x+(3/2),直线斜率为-3/2

圆(x - 3)^2 + (y + 3)^2 = 4关于直线l:ax+4y-6=0对称，则圆心(3, -3)在直线l上
3a - 12 - 6= 0
a = 6
直线: 6x + 4y - 6 = 0, y = -3x/2 +3/2
直线l的斜率是-3/2

6(x-y)-2(x+y)=14 3(x-y)+(x+y)=5 x*x+2x-y*y+6y-8=0,x+y不等于2,求x-y的值 已知X*X+Y*Y+6X-8Y+25=0 求（Y/X)+(X/Y)-2=? 【2(x-y)(x-y)(x-y)-8(x-y)(x-y)(x+y)+6y(x-y)(x-y)]/2(x-y)(x-y) 【2(x-y)^3-8(x-y)^2(x+y)+6y(x-y)^2】/2(x-y)^2= 已知x^2+y^2+13-4x+6y=0,求(2x-y)^2-2(2x-y)(x+2y)+(x+2y)^2 已知x.x+y.y+8x+6y+25=0,求代数式(x.x-4y.y)/(x.x+4xy+4y.y)-x/(x+2y)的值 x+y/2+x-y/6=5 2(x+y)-3(x-y)=-2 [(2x-y)(2x+y)+y(y-6x)]÷2x=? （x+y）/2- x-y/2=6 3(x+y)=4(x-y) x+y/3+x-y/2=6 4(x+y)-2(x-y)=40 2(x+y)-3(x-y)=1 6(x+y)+(x-y)=51 {3(x+y)-4(x-y)=4 {x+y/2 + x-y/6=1 {6(x-y)-7(x+y)=21 {2(x-y)-5(x+y)=-1 x+y/2+x-y/3=6,4(x+y)-3(x-y)=-20 {(x+y)/2+(x-y)/3=6 4(x+y)-3(x-y)=-20 4(x+y)-3(x-y)=-20,2/x+y+3/x-y=6 若(x-y)/(x+y)=3 则(x+2y)/(6x-7y)等于