Saved Bookmarks
| 1. |
The trinomial x2 – 3x – 4 is represented by the model. What are the factors of the trinomial? (x + 1) and (x – 4) (x + 4) and (x – 1) (x + 5) and (x – 4) (x + 4) and (x – 5) |
|
Answer» Lets rewrite the trinomial We have : x² - 3x - 4 Lets FIND the roots We have : 1 and - 4 Substituting this we have : x² + x - 4x - 4 = 0 x (x + 1) - 4(x + 1) (x - 4)(x +1) The answer is thus : (x - 4) and (x + 1) |
|