Saved Bookmarks
| 1. |
I. ` y^(2) + y - 1 = 4 - 2y - y^(2) ` II. ` x^(2)/2 - 3/2 x = x - 3`A. If ` x gt y`B. If ` x lt y`C. If ` x = y`D. If ` x ge y` |
|
Answer» Correct Answer - A I. ` 2y^(2) + 3y - 5 = 0` ` 2y^(2) + 5y - 2y - 5 = 0` ` y(2y+5)-1(2y+5) = 0` ` (2y+5)(y-1) = 0` ` y = (-5)/2 , 1` II. ` x^(2) - 3x = 2x - 6` ` x^(2) - 5x + 6 = 0` `x^(2) - 3x - 2x + 6 = 0` ` x(x-3) -2(x-3) = 0` `(x-3)(x-2) = 0` ` x = 3, 2` Hence, ` x gt y` |
|