1.the equation of the perpendicular bisector of the segment joining the points whose coordinates are (1.4)and (-2.3) is 2.if the graph of πx+根号2y+根号3=0 is perpendicular to the graph of ax+3y+2=0 ,the a=
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![1.the equation of the perpendicular bisector of the segment joining the points whose coordinates are (1.4)and (-2.3) is 2.if the graph of πx+根号2y+根号3=0 is perpendicular to the graph of ax+3y+2=0 ,the a=](/uploads/image/z/6132068-44-8.jpg?t=1.the+equation+of+the+perpendicular+bisector+of+the+segment+joining+the+points+whose+coordinates+are+%281.4%29and+%28-2.3%29+is+2.if+the+graph+of+%CF%80x%2B%E6%A0%B9%E5%8F%B72y%2B%E6%A0%B9%E5%8F%B73%3D0+is+perpendicular+to+the+graph+of+ax%2B3y%2B2%3D0+%2Cthe+a%3D)
1.the equation of the perpendicular bisector of the segment joining the points whose coordinates are (1.4)and (-2.3) is 2.if the graph of πx+根号2y+根号3=0 is perpendicular to the graph of ax+3y+2=0 ,the a=
1.the equation of the perpendicular bisector of the segment joining the points whose coordinates are (1.4)and (-2.3) is
2.if the graph of πx+根号2y+根号3=0 is perpendicular to the graph of ax+3y+2=0 ,the a=
1.the equation of the perpendicular bisector of the segment joining the points whose coordinates are (1.4)and (-2.3) is 2.if the graph of πx+根号2y+根号3=0 is perpendicular to the graph of ax+3y+2=0 ,the a=
这两题都考一个知识点:两个一次函数图象互相垂直,k1*k2=-1
因此第一题可以知道垂直平分线的斜率 代入中点坐标即可
第二题把两个方程转化成y=kx+b的形式 算出a的值
jushbb
625
660
266