Saved Bookmarks
| 1. |
\( 4 . \)5. The length of a line segment is of 10 units and the coordinates of one end-point are \( (2,-3) \). If the abscissa of the other end is 10 , find the ordinate of the other end. |
|
Answer» A(10,X)______________10______________B(2,-3) (10-2)² + (x+3)²=10² 8² + x²+9+6x=10² x²+6x+64+9=100 x²+6x+73-100=0 x²+6x-27=0 x²+9x-3x-27=0 x(x+9)-3(x+9)=0 (x+9) (x-3)=0 x+9=0 || x-3=0 x=-9 || x=3 so,cordinates of A are either (10,-9) or (10,3) it can y=-9 and y=3 using distance formula
|
|