Discussion
|
Column A |
Column B |
| 1 | The distance the top of the ladder slides down the wall |
| (A) | Column A is larger |
| (B) | ... |
| (C) | ... |
| (D) | ... |
| (E) | ... |
| (F) | ... |
The solution is
Posted: 10/16/2013 16:50
Hello! Could you clarify why, in the final equation, you use 8-7 instead of 7-6? Thank you!
Posted: 10/29/2013 17:37
hi Lynette, thanks for using the app. The explanation is just trying to quickly establish that 8- √51 is less than 1, by substituting 7 for √51 (since 8-7 also results in 1, the amount the ladder slips in the bottom). Sorry if that confused you.