> Activity 5: Is the Formula Effective?
Find the solutions of each of the following quadratic equations using the quadratic formula.
Answer the questions that follow.
1. x + 10x + 9 = 0
6. 2x + 7x + 9 = 0
2. r- 12x + 35 = 0
7. 4x - 4x + 1 = 0
3. + 5x-14 = 0
8. 3.x - 4x = 0
4. x - 4x + 12 = 0
9. 9x - 72 = 0
5. x + 7x = 4
10. 2.x + 4x = 3​