Saved Bookmarks
| 1. |
If the roots of the quadratic equation ? + 6x + k =0 are equal, then the valueof k is A.9B. -9C. 8D. 5 |
|
Answer» Answer: 9 Step-by-step EXPLANATION: x²+6x+k=0 therefore b²-4ac=0 (6)²-4*1*k=0 36-4k=0 36=4k 36/4=k 9=k k=9 mark me as brainlist thank you |
|