B. Find the value of k that will make each trinomial a perfect square,
1. 9x2 - 6x + k = 0
2. 5x2 + x + k = 0
3. 4x2 - 3x + k = 0
4. 6x2 + 5x + k = 0
5. 7x2 - 9x + k = 0
6. x2 + kx + 4 = 0 81
7. X? - kx + = 0 4 1
8. x2 + kx + = 0 36
9. x2 - 100x + k = 0
10. x2 - 7x + k = 0

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