Saved Bookmarks
| 1. |
Find p for which roots of 4x²+px+9=0 are equal |
|
Answer» Answer: p=±12 Step-by-step EXPLANATION: A quadratic EQUATION ax²+bx+c=0 will have equal roots when b²-4ac=0 →p²-4(4)(9)=0 p²-144=0 p²=144 p=±12. |
|