Discussion
Which one of the following is a solution to the equation x4 − 2x2 = −1 ?
| (A) | 0 |
| (B) | ... |
| (C) | ... |
| (D) | ... |
| (E) | ... |
| (F) | ... |
The solution is
Posted: 09/02/2012 10:46
How do u do this question? It seems so confusing using the numbers provided! The larger the number the more value the difference is! I tried 1 but it gave me the difference of -3 not -1!!!
Posted: 09/02/2012 18:15
Jagathi, try doing it more slowly. If you plug in 1, you get 1 - 2, which is -1.
Posted: 06/20/2013 10:11
Lily*
Posted: 09/02/2012 22:45
Thank you.. I thought that the exponent was for 2x not just x thanks for explaining this to me! :)